19369186431 has 12 divisors (see below), whose sum is σ = 30042003672. Its totient is φ = 11068106448.

The previous prime is 19369186427. The next prime is 19369186469. The reversal of 19369186431 is 13468196391.

It is not a de Polignac number, because 19369186431 - 2² = 19369186427 is a prime.

It is a super-2 number, since 2×19369186431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19369186231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65881440 + ... + 65881733.

It is an arithmetic number, because the mean of its divisors is an integer number (2503500306).

Almost surely, 2^19369186431 is an apocalyptic number.

19369186431 is a deficient number, since it is larger than the sum of its proper divisors (10672817241).

19369186431 is a wasteful number, since it uses less digits than its factorization.

19369186431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131763190 (or 131763183 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The spelling of 19369186431 in words is "nineteen billion, three hundred sixty-nine million, one hundred eighty-six thousand, four hundred thirty-one".