1913875886456 has 16 divisors (see below), whose sum is σ = 3599358734040. Its totient is φ = 954046890720.

The previous prime is 1913875886453. The next prime is 1913875886459. The reversal of 1913875886456 is 6546885783191.

It is an interprime number because it is at equal distance from previous prime (1913875886453) and next prime (1913875886459).

It is a self number, because there is not a number n which added to its sum of digits gives 1913875886456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913875886453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361378751 + ... + 361384046.

Almost surely, 2^{1913875886456} is an apocalyptic number.

It is an amenable number.

1913875886456 is a deficient number, since it is larger than the sum of its proper divisors (1685482847584).

1913875886456 is a wasteful number, since it uses less digits than its factorization.

1913875886456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722763134 (or 722763130 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 71.

The spelling of 1913875886456 in words is "one trillion, nine hundred thirteen billion, eight hundred seventy-five million, eight hundred eighty-six thousand, four hundred fifty-six".