70713065897 has 2 divisors, whose sum is σ = 70713065898. Its totient is φ = 70713065896.

The previous prime is 70713065879. The next prime is 70713065939. The reversal of 70713065897 is 79856031707.

Together with previous prime (70713065879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62975400601 + 7737665296 = 250949^2 + 87964^2 .

It is a cyclic number.

It is not a de Polignac number, because 70713065897 - 2¹⁶ = 70713000361 is a prime.

It is not a weakly prime, because it can be changed into another prime (70713062897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356532948 + 35356532949.

It is an arithmetic number, because the mean of its divisors is an integer number (35356532949).

Almost surely, 2^70713065897 is an apocalyptic number.

It is an amenable number.

70713065897 is a deficient number, since it is larger than the sum of its proper divisors (1).

70713065897 is an equidigital number, since it uses as much as digits as its factorization.

70713065897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 70713065897 in words is "seventy billion, seven hundred thirteen million, sixty-five thousand, eight hundred ninety-seven".