70396644319 has 4 divisors (see below), whose sum is σ = 70397216800. Its totient is φ = 70396071840.

The previous prime is 70396644313. The next prime is 70396644323. The reversal of 70396644319 is 91344669307.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70396644319 - 2²³ = 70388255711 is a prime.

It is a super-2 number, since 2×70396644319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70396644313) 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 in 3 ways as a sum of consecutive naturals, for example, 17994 + ... + 375655.

It is an arithmetic number, because the mean of its divisors is an integer number (17599304200).

Almost surely, 2^70396644319 is an apocalyptic number.

70396644319 is a deficient number, since it is larger than the sum of its proper divisors (572481).

70396644319 is a wasteful number, since it uses less digits than its factorization.

70396644319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572480.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 70396644319 in words is "seventy billion, three hundred ninety-six million, six hundred forty-four thousand, three hundred nineteen".