172632555013 has 2 divisors, whose sum is σ = 172632555014. Its totient is φ = 172632555012.

The previous prime is 172632555001. The next prime is 172632555037. The reversal of 172632555013 is 310555236271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149650601409 + 22981953604 = 386847^2 + 151598^2 .

It is a cyclic number.

It is not a de Polignac number, because 172632555013 - 2¹⁷ = 172632423941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172632556013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86316277506 + 86316277507.

It is an arithmetic number, because the mean of its divisors is an integer number (86316277507).

Almost surely, 2^172632555013 is an apocalyptic number.

It is an amenable number.

172632555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

172632555013 is an equidigital number, since it uses as much as digits as its factorization.

172632555013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 172632555013 in words is "one hundred seventy-two billion, six hundred thirty-two million, five hundred fifty-five thousand, thirteen".