19060459172 has 6 divisors (see below), whose sum is σ = 33355803558. Its totient is φ = 9530229584.

The previous prime is 19060459169. The next prime is 19060459189. The reversal of 19060459172 is 27195406091.

It can be written as a sum of positive squares in only one way, i.e., 18625152676 + 435306496 = 136474^2 + 20864^2 .

It is a super-2 number, since 2×19060459172² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2382557393 + ... + 2382557400.

It is an arithmetic number, because the mean of its divisors is an integer number (5559300593).

Almost surely, 2^19060459172 is an apocalyptic number.

It is an amenable number.

19060459172 is a deficient number, since it is larger than the sum of its proper divisors (14295344386).

19060459172 is a wasteful number, since it uses less digits than its factorization.

19060459172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765114797 (or 4765114795 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 19060459172 in words is "nineteen billion, sixty million, four hundred fifty-nine thousand, one hundred seventy-two".