70409502679 has 2 divisors, whose sum is σ = 70409502680. Its totient is φ = 70409502678.

The previous prime is 70409502677. The next prime is 70409502749. The reversal of 70409502679 is 97620590407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70409502679 - 2¹ = 70409502677 is a prime.

Together with 70409502677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70409502677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35204751339 + 35204751340.

It is an arithmetic number, because the mean of its divisors is an integer number (35204751340).

Almost surely, 2^70409502679 is an apocalyptic number.

70409502679 is a deficient number, since it is larger than the sum of its proper divisors (1).

70409502679 is an equidigital number, since it uses as much as digits as its factorization.

70409502679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 70409502679 in words is "seventy billion, four hundred nine million, five hundred two thousand, six hundred seventy-nine".