1650120920353 has 4 divisors (see below), whose sum is σ = 1650134148628. Its totient is φ = 1650107692080.

The previous prime is 1650120920303. The next prime is 1650120920401. The reversal of 1650120920353 is 3530290210561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 831001797649 + 819119122704 = 911593^2 + 905052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650120920353 - 2⁹ = 1650120919841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1650120920303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6425226 + ... + 6677107.

It is an arithmetic number, because the mean of its divisors is an integer number (412533537157).

Almost surely, 2^{1650120920353} is an apocalyptic number.

It is an amenable number.

1650120920353 is a deficient number, since it is larger than the sum of its proper divisors (13228275).

1650120920353 is a wasteful number, since it uses less digits than its factorization.

1650120920353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13228274.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 1650120920353 in words is "one trillion, six hundred fifty billion, one hundred twenty million, nine hundred twenty thousand, three hundred fifty-three".