70705110639 has 16 divisors (see below), whose sum is σ = 95336208000. Its totient is φ = 46607976480.

The previous prime is 70705110629. The next prime is 70705110643. The reversal of 70705110639 is 93601150707.

It is not a de Polignac number, because 70705110639 - 2⁸ = 70705110383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70705110597 and 70705110606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70705110629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215889 + ... + 433610.

It is an arithmetic number, because the mean of its divisors is an integer number (5958513000).

Almost surely, 2^70705110639 is an apocalyptic number.

70705110639 is a deficient number, since it is larger than the sum of its proper divisors (24631097361).

70705110639 is a wasteful number, since it uses less digits than its factorization.

70705110639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649910.

The product of its (nonzero) digits is 39690, while the sum is 39.

The spelling of 70705110639 in words is "seventy billion, seven hundred five million, one hundred ten thousand, six hundred thirty-nine".