19501672952 has 32 divisors (see below), whose sum is σ = 38408186880. Its totient is φ = 9265106400.

The previous prime is 19501672951. The next prime is 19501672963. The reversal of 19501672952 is 25927610591.

It is a junction number, because it is equal to n+sod(n) for n = 19501672897 and 19501672906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19501672951) 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, 323168 + ... + 378735.

It is an arithmetic number, because the mean of its divisors is an integer number (1200255840).

Almost surely, 2^19501672952 is an apocalyptic number.

It is an amenable number.

19501672952 is a deficient number, since it is larger than the sum of its proper divisors (18906513928).

19501672952 is a wasteful number, since it uses less digits than its factorization.

19501672952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702083 (or 702079 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 19501672952 in words is "nineteen billion, five hundred one million, six hundred seventy-two thousand, nine hundred fifty-two".