19472661935 has 16 divisors (see below), whose sum is σ = 24140021760. Its totient is φ = 15063705120.

The previous prime is 19472661919. The next prime is 19472661941. The reversal of 19472661935 is 53916627491.

It is not a de Polignac number, because 19472661935 - 2⁴ = 19472661919 is a prime.

It is a congruent number.

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, 149906 + ... + 247824.

It is an arithmetic number, because the mean of its divisors is an integer number (1508751360).

Almost surely, 2^19472661935 is an apocalyptic number.

19472661935 is a deficient number, since it is larger than the sum of its proper divisors (4667359825).

19472661935 is a wasteful number, since it uses less digits than its factorization.

19472661935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99238.

The product of its digits is 2449440, while the sum is 53.

The spelling of 19472661935 in words is "nineteen billion, four hundred seventy-two million, six hundred sixty-one thousand, nine hundred thirty-five".