71258570413 has 2 divisors, whose sum is σ = 71258570414. Its totient is φ = 71258570412.

The previous prime is 71258570401. The next prime is 71258570483. The reversal of 71258570413 is 31407585217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56433803364 + 14824767049 = 237558^2 + 121757^2 .

It is a cyclic number.

It is not a de Polignac number, because 71258570413 - 2¹⁷ = 71258439341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71258570413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71258570483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35629285206 + 35629285207.

It is an arithmetic number, because the mean of its divisors is an integer number (35629285207).

Almost surely, 2^71258570413 is an apocalyptic number.

It is an amenable number.

71258570413 is a deficient number, since it is larger than the sum of its proper divisors (1).

71258570413 is an equidigital number, since it uses as much as digits as its factorization.

71258570413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 71258570413 in words is "seventy-one billion, two hundred fifty-eight million, five hundred seventy thousand, four hundred thirteen".