1953351041445 has 12 divisors (see below), whose sum is σ = 3385808471916. Its totient is φ = 1041787222080.

The previous prime is 1953351041443. The next prime is 1953351041459. The reversal of 1953351041445 is 5441401533591.

1953351041445 is a `hidden beast` number, since 1 + 9 + 53 + 3 + 510 + 41 + 4 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1403073416196 + 550277625249 = 1184514^2 + 741807^2 .

It is not a de Polignac number, because 1953351041445 - 2¹ = 1953351041443 is a prime.

It is a super-2 number, since 2×1953351041445² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 43407800921 = 1953351041445 / (1 + 9 + 5 + 3 + 3 + 5 + 1 + 0 + 4 + 1 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1953351041445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953351041443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21703900416 + ... + 21703900505.

It is an arithmetic number, because the mean of its divisors is an integer number (282150705993).

Almost surely, 2^{1953351041445} is an apocalyptic number.

1953351041445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1953351041445 is a deficient number, since it is larger than the sum of its proper divisors (1432457430471).

1953351041445 is a wasteful number, since it uses less digits than its factorization.

1953351041445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43407800932 (or 43407800929 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1953351041445 in words is "one trillion, nine hundred fifty-three billion, three hundred fifty-one million, forty-one thousand, four hundred forty-five".