70400016679 has 2 divisors, whose sum is σ = 70400016680. Its totient is φ = 70400016678.

The previous prime is 70400016677. The next prime is 70400016691. The reversal of 70400016679 is 97661000407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70400016679 - 2¹ = 70400016677 is a prime.

Together with 70400016677, 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 (70400016671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35200008339 + 35200008340.

It is an arithmetic number, because the mean of its divisors is an integer number (35200008340).

Almost surely, 2^70400016679 is an apocalyptic number.

70400016679 is a deficient number, since it is larger than the sum of its proper divisors (1).

70400016679 is an equidigital number, since it uses as much as digits as its factorization.

70400016679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 70400016679 in words is "seventy billion, four hundred million, sixteen thousand, six hundred seventy-nine".