172119238929 has 24 divisors (see below), whose sum is σ = 280279880160. Its totient is φ = 104314688280.

The previous prime is 172119238927. The next prime is 172119238931. The reversal of 172119238929 is 929832911271.

172119238929 is a `hidden beast` number, since 1 + 72 + 1 + 192 + 389 + 2 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (172119238927) and next prime (172119238931).

It is not a de Polignac number, because 172119238929 - 2¹ = 172119238927 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (172119238927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26338827 + ... + 26345360.

It is an arithmetic number, because the mean of its divisors is an integer number (11678328340).

Almost surely, 2^172119238929 is an apocalyptic number.

It is an amenable number.

172119238929 is a deficient number, since it is larger than the sum of its proper divisors (108160641231).

172119238929 is a wasteful number, since it uses less digits than its factorization.

172119238929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684218 (or 52684201 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The spelling of 172119238929 in words is "one hundred seventy-two billion, one hundred nineteen million, two hundred thirty-eight thousand, nine hundred twenty-nine".