172288932043 has 2 divisors, whose sum is σ = 172288932044. Its totient is φ = 172288932042.

The previous prime is 172288932041. The next prime is 172288932091. The reversal of 172288932043 is 340239882271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172288932043 - 2¹ = 172288932041 is a prime.

It is a super-2 number, since 2×172288932043² (a number of 23 digits) contains 22 as substring.

Together with 172288932041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (172288932041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86144466021 + 86144466022.

It is an arithmetic number, because the mean of its divisors is an integer number (86144466022).

Almost surely, 2^172288932043 is an apocalyptic number.

172288932043 is a deficient number, since it is larger than the sum of its proper divisors (1).

172288932043 is an equidigital number, since it uses as much as digits as its factorization.

172288932043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 172288932043 in words is "one hundred seventy-two billion, two hundred eighty-eight million, nine hundred thirty-two thousand, forty-three".