472376521613 has 2 divisors, whose sum is σ = 472376521614. Its totient is φ = 472376521612.

The previous prime is 472376521577. The next prime is 472376521679. The reversal of 472376521613 is 316125673274.

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., 376482870724 + 95893650889 = 613582^2 + 309667^2 .

It is a cyclic number.

It is not a de Polignac number, because 472376521613 - 2³⁰ = 471302779789 is a prime.

It is a super-2 number, since 2×472376521613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472376521693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236188260806 + 236188260807.

It is an arithmetic number, because the mean of its divisors is an integer number (236188260807).

Almost surely, 2^472376521613 is an apocalyptic number.

It is an amenable number.

472376521613 is a deficient number, since it is larger than the sum of its proper divisors (1).

472376521613 is an equidigital number, since it uses as much as digits as its factorization.

472376521613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The spelling of 472376521613 in words is "four hundred seventy-two billion, three hundred seventy-six million, five hundred twenty-one thousand, six hundred thirteen".