19037142864 has 30 divisors (see below), whose sum is σ = 53277559946. Its totient is φ = 6345714240.

The previous prime is 19037142847. The next prime is 19037142869. The reversal of 19037142864 is 46824173091.

19037142864 is a `hidden beast` number, since 190 + 37 + 1 + 428 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16656483600 + 2380659264 = 129060^2 + 48792^2 .

It is a super-2 number, since 2×19037142864² (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 (19037142869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66101047 + ... + 66101334.

Almost surely, 2^19037142864 is an apocalyptic number.

It is an amenable number.

19037142864 is an abundant number, since it is smaller than the sum of its proper divisors (34240417082).

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

19037142864 is a wasteful number, since it uses less digits than its factorization.

19037142864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132202395 (or 132202386 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 19037142864 in words is "nineteen billion, thirty-seven million, one hundred forty-two thousand, eight hundred sixty-four".