19625068530 has 32 divisors (see below), whose sum is σ = 52333516800. Its totient is φ = 5233351536.

The previous prime is 19625068513. The next prime is 19625068553. The reversal of 19625068530 is 3586052691.

19625068530 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 50 + 68 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36342450 + ... + 36342989.

It is an arithmetic number, because the mean of its divisors is an integer number (1635422400).

Almost surely, 2^19625068530 is an apocalyptic number.

19625068530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19625068530 is an abundant number, since it is smaller than the sum of its proper divisors (32708448270).

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

19625068530 is a wasteful number, since it uses less digits than its factorization.

19625068530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72685455 (or 72685449 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 19625068530 in words is "nineteen billion, six hundred twenty-five million, sixty-eight thousand, five hundred thirty".