70913223457 has 2 divisors, whose sum is σ = 70913223458. Its totient is φ = 70913223456.

The previous prime is 70913223431. The next prime is 70913223463. The reversal of 70913223457 is 75432231907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60973931041 + 9939292416 = 246929^2 + 99696^2 .

It is a cyclic number.

It is not a de Polignac number, because 70913223457 - 2²⁷ = 70779005729 is a prime.

It is a super-2 number, since 2×70913223457² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70913223487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35456611728 + 35456611729.

It is an arithmetic number, because the mean of its divisors is an integer number (35456611729).

Almost surely, 2^70913223457 is an apocalyptic number.

It is an amenable number.

70913223457 is a deficient number, since it is larger than the sum of its proper divisors (1).

70913223457 is an equidigital number, since it uses as much as digits as its factorization.

70913223457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 70913223457 in words is "seventy billion, nine hundred thirteen million, two hundred twenty-three thousand, four hundred fifty-seven".