1913471422245 has 128 divisors (see below), whose sum is σ = 3642940224000. Its totient is φ = 949582725120.

The previous prime is 1913471422229. The next prime is 1913471422267. The reversal of 1913471422245 is 5422241743191.

1913471422245 is a `hidden beast` number, since 1 + 9 + 134 + 71 + 422 + 24 + 5 = 666.

It is not a de Polignac number, because 1913471422245 - 2⁴ = 1913471422229 is a prime.

It is a super-2 number, since 2×1913471422245² (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).

It is a self number, because there is not a number n which added to its sum of digits gives 1913471422245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 76867761 + ... + 76892649.

It is an arithmetic number, because the mean of its divisors is an integer number (28460470500).

Almost surely, 2^{1913471422245} is an apocalyptic number.

1913471422245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1913471422245 is a deficient number, since it is larger than the sum of its proper divisors (1729468801755).

1913471422245 is a wasteful number, since it uses less digits than its factorization.

1913471422245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300 (or 25294 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 1913471422245 in words is "one trillion, nine hundred thirteen billion, four hundred seventy-one million, four hundred twenty-two thousand, two hundred forty-five".