919267975420 has 24 divisors (see below), whose sum is σ = 1930673584224. Its totient is φ = 367667030976.

The previous prime is 919267975397. The next prime is 919267975441. The reversal of 919267975420 is 24579762919.

It is a super-2 number, since 2×919267975420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321904 + ... + 2688823.

It is an arithmetic number, because the mean of its divisors is an integer number (80444732676).

Almost surely, 2^919267975420 is an apocalyptic number.

It is an amenable number.

919267975420 is an abundant number, since it is smaller than the sum of its proper divisors (1011405608804).

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

919267975420 is a wasteful number, since it uses less digits than its factorization.

919267975420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019909 (or 5019907 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 919267975420 in words is "nine hundred nineteen billion, two hundred sixty-seven million, nine hundred seventy-five thousand, four hundred twenty".