19952170893 has 12 divisors (see below), whose sum is σ = 30072837600. Its totient is φ = 12723123336.

The previous prime is 19952170879. The next prime is 19952170943. The reversal of 19952170893 is 39807125991.

It is not a de Polignac number, because 19952170893 - 2⁴ = 19952170877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19952170873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48193443 + ... + 48193856.

It is an arithmetic number, because the mean of its divisors is an integer number (2506069800).

Almost surely, 2^19952170893 is an apocalyptic number.

It is an amenable number.

19952170893 is a deficient number, since it is larger than the sum of its proper divisors (10120666707).

19952170893 is a wasteful number, since it uses less digits than its factorization.

19952170893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96387328 (or 96387325 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 19952170893 in words is "nineteen billion, nine hundred fifty-two million, one hundred seventy thousand, eight hundred ninety-three".