70504159657 has 2 divisors, whose sum is σ = 70504159658. Its totient is φ = 70504159656.

The previous prime is 70504159637. The next prime is 70504159669. The reversal of 70504159657 is 75695140507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69525032976 + 979126681 = 263676^2 + 31291^2 .

It is a cyclic number.

It is not a de Polignac number, because 70504159657 - 2¹¹ = 70504157609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70504159657.

It is not a weakly prime, because it can be changed into another prime (70504159637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35252079828 + 35252079829.

It is an arithmetic number, because the mean of its divisors is an integer number (35252079829).

Almost surely, 2^70504159657 is an apocalyptic number.

It is an amenable number.

70504159657 is a deficient number, since it is larger than the sum of its proper divisors (1).

70504159657 is an equidigital number, since it uses as much as digits as its factorization.

70504159657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 70504159657 in words is "seventy billion, five hundred four million, one hundred fifty-nine thousand, six hundred fifty-seven".