70940951579 has 4 divisors (see below), whose sum is σ = 71332890720. Its totient is φ = 70549012440.

The previous prime is 70940951563. The next prime is 70940951597. The reversal of 70940951579 is 97515904907.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70940951579 - 2⁴ = 70940951563 is a prime.

It is a super-2 number, since 2×70940951579² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70940951519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195969299 + ... + 195969660.

It is an arithmetic number, because the mean of its divisors is an integer number (17833222680).

Almost surely, 2^70940951579 is an apocalyptic number.

70940951579 is a deficient number, since it is larger than the sum of its proper divisors (391939141).

70940951579 is a wasteful number, since it uses less digits than its factorization.

70940951579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391939140.

The product of its (nonzero) digits is 3572100, while the sum is 56.

The spelling of 70940951579 in words is "seventy billion, nine hundred forty million, nine hundred fifty-one thousand, five hundred seventy-nine".