70712805013 has 2 divisors, whose sum is σ = 70712805014. Its totient is φ = 70712805012.

The previous prime is 70712804999. The next prime is 70712805017. The reversal of 70712805013 is 31050821707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52053791409 + 18659013604 = 228153^2 + 136598^2 .

It is a cyclic number.

It is not a de Polignac number, because 70712805013 - 2²⁵ = 70679250581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70712805013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70712805017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356402506 + 35356402507.

It is an arithmetic number, because the mean of its divisors is an integer number (35356402507).

Almost surely, 2^70712805013 is an apocalyptic number.

It is an amenable number.

70712805013 is a deficient number, since it is larger than the sum of its proper divisors (1).

70712805013 is an equidigital number, since it uses as much as digits as its factorization.

70712805013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 70712805013 in words is "seventy billion, seven hundred twelve million, eight hundred five thousand, thirteen".