172309264634 has 32 divisors (see below), whose sum is σ = 290506051584. Its totient is φ = 76054366080.

The previous prime is 172309264627. The next prime is 172309264651. The reversal of 172309264634 is 436462903271.

172309264634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3264614 + ... + 3316974.

It is an arithmetic number, because the mean of its divisors is an integer number (9078314112).

Almost surely, 2^172309264634 is an apocalyptic number.

172309264634 is a deficient number, since it is larger than the sum of its proper divisors (118196786950).

172309264634 is a wasteful number, since it uses less digits than its factorization.

172309264634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57902.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 172309264634 in words is "one hundred seventy-two billion, three hundred nine million, two hundred sixty-four thousand, six hundred thirty-four".