858416476579213 has 2 divisors, whose sum is σ = 858416476579214. Its totient is φ = 858416476579212.

The previous prime is 858416476579177. The next prime is 858416476579229. The reversal of 858416476579213 is 312975674614858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646929203648809 + 211487272930404 = 25434803^2 + 14542602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858416476579213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 858416476579213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858416476579313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429208238289606 + 429208238289607.

It is an arithmetic number, because the mean of its divisors is an integer number (429208238289607).

Almost surely, 2^{858416476579213} is an apocalyptic number.

It is an amenable number.

858416476579213 is a deficient number, since it is larger than the sum of its proper divisors (1).

858416476579213 is an equidigital number, since it uses as much as digits as its factorization.

858416476579213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2438553600, while the sum is 76.

The spelling of 858416476579213 in words is "eight hundred fifty-eight trillion, four hundred sixteen billion, four hundred seventy-six million, five hundred seventy-nine thousand, two hundred thirteen".