19005382956 has 48 divisors (see below), whose sum is σ = 50688560384. Its totient is φ = 5429301696.

The previous prime is 19005382933. The next prime is 19005382967. The reversal of 19005382956 is 65928350091.

It is a happy number.

It is a super-2 number, since 2×19005382956² (a number of 21 digits) contains 22 as substring.

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, 767586 + ... + 791958.

Almost surely, 2^19005382956 is an apocalyptic number.

It is an amenable number.

19005382956 is an abundant number, since it is smaller than the sum of its proper divisors (31683177428).

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

19005382956 is a wasteful number, since it uses less digits than its factorization.

19005382956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670 (or 33668 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 19005382956 in words is "nineteen billion, five million, three hundred eighty-two thousand, nine hundred fifty-six".