70571990605 has 32 divisors (see below), whose sum is σ = 96395650560. Its totient is φ = 49268782080.

The previous prime is 70571990521. The next prime is 70571990647. The reversal of 70571990605 is 50609917507.

It is not a de Polignac number, because 70571990605 - 2³¹ = 68424506957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388966 + ... + 540775.

It is an arithmetic number, because the mean of its divisors is an integer number (3012364080).

Almost surely, 2^70571990605 is an apocalyptic number.

It is an amenable number.

70571990605 is a deficient number, since it is larger than the sum of its proper divisors (25823659955).

70571990605 is a wasteful number, since it uses less digits than its factorization.

70571990605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929829.

The product of its (nonzero) digits is 595350, while the sum is 49.

The spelling of 70571990605 in words is "seventy billion, five hundred seventy-one million, nine hundred ninety thousand, six hundred five".