70163857913 has 8 divisors (see below), whose sum is σ = 73879686720. Its totient is φ = 66450328560.

The previous prime is 70163857901. The next prime is 70163857943. The reversal of 70163857913 is 31975836107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70163857913 - 2⁶ = 70163857849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70163857943) 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 in 7 ways as a sum of consecutive naturals, for example, 512045 + ... + 634442.

It is an arithmetic number, because the mean of its divisors is an integer number (9234960840).

Almost surely, 2^70163857913 is an apocalyptic number.

It is an amenable number.

70163857913 is a deficient number, since it is larger than the sum of its proper divisors (3715828807).

70163857913 is a wasteful number, since it uses less digits than its factorization.

70163857913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149727.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 70163857913 in words is "seventy billion, one hundred sixty-three million, eight hundred fifty-seven thousand, nine hundred thirteen".