472267592189 has 2 divisors, whose sum is σ = 472267592190. Its totient is φ = 472267592188.

The previous prime is 472267592171. The next prime is 472267592191. The reversal of 472267592189 is 981295762274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408583032025 + 63684560164 = 639205^2 + 252358^2 .

It is a cyclic number.

It is not a de Polignac number, because 472267592189 - 2²⁰ = 472266543613 is a prime.

It is a super-2 number, since 2×472267592189² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 472267592191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472267592089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236133796094 + 236133796095.

It is an arithmetic number, because the mean of its divisors is an integer number (236133796095).

Almost surely, 2^472267592189 is an apocalyptic number.

It is an amenable number.

472267592189 is a deficient number, since it is larger than the sum of its proper divisors (1).

472267592189 is an equidigital number, since it uses as much as digits as its factorization.

472267592189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 62.

The spelling of 472267592189 in words is "four hundred seventy-two billion, two hundred sixty-seven million, five hundred ninety-two thousand, one hundred eighty-nine".