19374667977313 has 24 divisors (see below), whose sum is σ = 22938296242400. Its totient is φ = 16298262953280.

The previous prime is 19374667977299. The next prime is 19374667977397. The reversal of 19374667977313 is 31377976647391.

It is not a de Polignac number, because 19374667977313 - 2³⁷ = 19237229023841 is a prime.

It is a super-2 number, since 2×19374667977313² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19374667977713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97894548 + ... + 98092261.

Almost surely, 2^{19374667977313} is an apocalyptic number.

It is an amenable number.

19374667977313 is a deficient number, since it is larger than the sum of its proper divisors (3563628265087).

19374667977313 is a wasteful number, since it uses less digits than its factorization.

19374667977313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195986893 (or 195986882 counting only the distinct ones).

The product of its digits is 756142128, while the sum is 73.

The spelling of 19374667977313 in words is "nineteen trillion, three hundred seventy-four billion, six hundred sixty-seven million, nine hundred seventy-seven thousand, three hundred thirteen".