172474334371 has 2 divisors, whose sum is σ = 172474334372. Its totient is φ = 172474334370.

The previous prime is 172474334363. The next prime is 172474334423. The reversal of 172474334371 is 173433474271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172474334371 - 2³ = 172474334363 is a prime.

It is not a weakly prime, because it can be changed into another prime (172474334171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86237167185 + 86237167186.

It is an arithmetic number, because the mean of its divisors is an integer number (86237167186).

Almost surely, 2^172474334371 is an apocalyptic number.

172474334371 is a deficient number, since it is larger than the sum of its proper divisors (1).

172474334371 is an equidigital number, since it uses as much as digits as its factorization.

172474334371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 46.

The spelling of 172474334371 in words is "one hundred seventy-two billion, four hundred seventy-four million, three hundred thirty-four thousand, three hundred seventy-one".