19207939552 has 12 divisors (see below), whose sum is σ = 37815631056. Its totient is φ = 9603969760.

The previous prime is 19207939529. The next prime is 19207939601. The reversal of 19207939552 is 25593970291.

It is a self number, because there is not a number n which added to its sum of digits gives 19207939552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300124024 + ... + 300124087.

It is an arithmetic number, because the mean of its divisors is an integer number (3151302588).

Almost surely, 2^19207939552 is an apocalyptic number.

It is an amenable number.

19207939552 is a deficient number, since it is larger than the sum of its proper divisors (18607691504).

19207939552 is an equidigital number, since it uses as much as digits as its factorization.

19207939552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600248121 (or 600248113 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 19207939552 in words is "nineteen billion, two hundred seven million, nine hundred thirty-nine thousand, five hundred fifty-two".