70351752689 has 2 divisors, whose sum is σ = 70351752690. Its totient is φ = 70351752688.

The previous prime is 70351752673. The next prime is 70351752701. The reversal of 70351752689 is 98625715307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50613750625 + 19738002064 = 224975^2 + 140492^2 .

It is a cyclic number.

It is not a de Polignac number, because 70351752689 - 2⁴ = 70351752673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70351752689.

It is not a weakly prime, because it can be changed into another prime (70351752649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35175876344 + 35175876345.

It is an arithmetic number, because the mean of its divisors is an integer number (35175876345).

Almost surely, 2^70351752689 is an apocalyptic number.

It is an amenable number.

70351752689 is a deficient number, since it is larger than the sum of its proper divisors (1).

70351752689 is an equidigital number, since it uses as much as digits as its factorization.

70351752689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 70351752689 in words is "seventy billion, three hundred fifty-one million, seven hundred fifty-two thousand, six hundred eighty-nine".