1913534049204 has 48 divisors (see below), whose sum is σ = 4963666256640. Its totient is φ = 637503704640.

The previous prime is 1913534049197. The next prime is 1913534049211. The reversal of 1913534049204 is 4029404353191.

1913534049204 is a `hidden beast` number, since 1 + 9 + 1 + 35 + 3 + 404 + 9 + 204 = 666.

It is an interprime number because it is at equal distance from previous prime (1913534049197) and next prime (1913534049211).

It is a super-2 number, since 2×1913534049204² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1913534049204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4532809 + ... + 4936944.

It is an arithmetic number, because the mean of its divisors is an integer number (103409713680).

Almost surely, 2^{1913534049204} is an apocalyptic number.

It is an amenable number.

1913534049204 is an abundant number, since it is smaller than the sum of its proper divisors (3050132207436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1913534049204 is a wasteful number, since it uses less digits than its factorization.

1913534049204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471637 (or 9471629 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 1913534049204 in words is "one trillion, nine hundred thirteen billion, five hundred thirty-four million, forty-nine thousand, two hundred four".