19314920396 has 24 divisors (see below), whose sum is σ = 35797240080. Its totient is φ = 9087386112.

The previous prime is 19314920393. The next prime is 19314920407. The reversal of 19314920396 is 69302941391.

It is a happy number.

It is a super-2 number, since 2×19314920396² (a number of 21 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 19314920396.

It is not an unprimeable number, because it can be changed into a prime (19314920393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309311 + ... + 366473.

It is an arithmetic number, because the mean of its divisors is an integer number (1491551670).

Almost surely, 2^19314920396 is an apocalyptic number.

It is an amenable number.

19314920396 is a deficient number, since it is larger than the sum of its proper divisors (16482319684).

19314920396 is a wasteful number, since it uses less digits than its factorization.

19314920396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62153 (or 62151 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 19314920396 in words is "nineteen billion, three hundred fourteen million, nine hundred twenty thousand, three hundred ninety-six".