19326538632 has 32 divisors (see below), whose sum is σ = 48320344800. Its totient is φ = 6441646464.

The previous prime is 19326538577. The next prime is 19326538633. The reversal of 19326538632 is 23683562391.

It is not an unprimeable number, because it can be changed into a prime (19326538633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355228 + ... + 406004.

It is an arithmetic number, because the mean of its divisors is an integer number (1510010775).

Almost surely, 2^19326538632 is an apocalyptic number.

19326538632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19326538632 is an abundant number, since it is smaller than the sum of its proper divisors (28993806168).

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

19326538632 is a wasteful number, since it uses less digits than its factorization.

19326538632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66645 (or 66641 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The spelling of 19326538632 in words is "nineteen billion, three hundred twenty-six million, five hundred thirty-eight thousand, six hundred thirty-two".