70641351713 has 2 divisors, whose sum is σ = 70641351714. Its totient is φ = 70641351712.

The previous prime is 70641351679. The next prime is 70641351731. The reversal of 70641351713 is 31715314607.

Together with next prime (70641351731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47466465424 + 23174886289 = 217868^2 + 152233^2 .

It is a cyclic number.

It is not a de Polignac number, because 70641351713 - 2⁸ = 70641351457 is a prime.

It is not a weakly prime, because it can be changed into another prime (70641351763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35320675856 + 35320675857.

It is an arithmetic number, because the mean of its divisors is an integer number (35320675857).

Almost surely, 2^70641351713 is an apocalyptic number.

It is an amenable number.

70641351713 is a deficient number, since it is larger than the sum of its proper divisors (1).

70641351713 is an equidigital number, since it uses as much as digits as its factorization.

70641351713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 70641351713 in words is "seventy billion, six hundred forty-one million, three hundred fifty-one thousand, seven hundred thirteen".