70500772613 has 2 divisors, whose sum is σ = 70500772614. Its totient is φ = 70500772612.

The previous prime is 70500772577. The next prime is 70500772627. The reversal of 70500772613 is 31627700507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38078448769 + 32422323844 = 195137^2 + 180062^2 .

It is a cyclic number.

It is not a de Polignac number, because 70500772613 - 2⁸ = 70500772357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70500732613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250386306 + 35250386307.

It is an arithmetic number, because the mean of its divisors is an integer number (35250386307).

Almost surely, 2^70500772613 is an apocalyptic number.

It is an amenable number.

70500772613 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500772613 is an equidigital number, since it uses as much as digits as its factorization.

70500772613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 70500772613 in words is "seventy billion, five hundred million, seven hundred seventy-two thousand, six hundred thirteen".