19316097456 has 40 divisors (see below), whose sum is σ = 51248569584. Its totient is φ = 6264679680.

The previous prime is 19316097421. The next prime is 19316097473. The reversal of 19316097456 is 65479061391.

It is a super-2 number, since 2×19316097456² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19316097399 and 19316097408.

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, 5436315 + ... + 5439866.

Almost surely, 2^19316097456 is an apocalyptic number.

19316097456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19316097456 is an abundant number, since it is smaller than the sum of its proper divisors (31932472128).

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

19316097456 is a wasteful number, since it uses less digits than its factorization.

19316097456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10876229 (or 10876223 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 19316097456 in words is "nineteen billion, three hundred sixteen million, ninety-seven thousand, four hundred fifty-six".