19372965352 has 64 divisors (see below), whose sum is σ = 40922658000. Its totient is φ = 8535926784.

The previous prime is 19372965341. The next prime is 19372965371. The reversal of 19372965352 is 25356927391.

It can be written as a sum of positive squares in 8 ways, for example, as 802362276 + 18570603076 = 28326^2 + 136274^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 19372965352.

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, 232338 + ... + 304510.

Almost surely, 2^19372965352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19372965352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20461329000).

19372965352 is an abundant number, since it is smaller than the sum of its proper divisors (21549692648).

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

19372965352 is a wasteful number, since it uses less digits than its factorization.

19372965352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72310 (or 72306 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 52.

It can be divided in two parts, 193729 and 65352, that added together give a square (259081 = 509²).

The spelling of 19372965352 in words is "nineteen billion, three hundred seventy-two million, nine hundred sixty-five thousand, three hundred fifty-two".