70500818579 has 2 divisors, whose sum is σ = 70500818580. Its totient is φ = 70500818578.

The previous prime is 70500818551. The next prime is 70500818593. The reversal of 70500818579 is 97581800507.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70500818579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70500818539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250409289 + 35250409290.

It is an arithmetic number, because the mean of its divisors is an integer number (35250409290).

Almost surely, 2^70500818579 is an apocalyptic number.

70500818579 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500818579 is an equidigital number, since it uses as much as digits as its factorization.

70500818579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 50.

The spelling of 70500818579 in words is "seventy billion, five hundred million, eight hundred eighteen thousand, five hundred seventy-nine".