19472122929 has 16 divisors (see below), whose sum is σ = 29790028800. Its totient is φ = 11082594000.

The previous prime is 19472122921. The next prime is 19472122931. The reversal of 19472122929 is 92922127491.

It is a happy number.

It is not a de Polignac number, because 19472122929 - 2³ = 19472122921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19472122921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841829 + ... + 1852370.

It is an arithmetic number, because the mean of its divisors is an integer number (1861876800).

Almost surely, 2^19472122929 is an apocalyptic number.

It is an amenable number.

19472122929 is a deficient number, since it is larger than the sum of its proper divisors (10317905871).

19472122929 is a wasteful number, since it uses less digits than its factorization.

19472122929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694460.

The product of its digits is 326592, while the sum is 48.

The spelling of 19472122929 in words is "nineteen billion, four hundred seventy-two million, one hundred twenty-two thousand, nine hundred twenty-nine".