70536566513 has 32 divisors (see below), whose sum is σ = 84114201600. Its totient is φ = 57871425024.

The previous prime is 70536566509. The next prime is 70536566579. The reversal of 70536566513 is 31566563507.

It is not a de Polignac number, because 70536566513 - 2² = 70536566509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70536568513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30841256 + ... + 30843542.

It is an arithmetic number, because the mean of its divisors is an integer number (2628568800).

Almost surely, 2^70536566513 is an apocalyptic number.

It is an amenable number.

70536566513 is a deficient number, since it is larger than the sum of its proper divisors (13577635087).

70536566513 is a wasteful number, since it uses less digits than its factorization.

70536566513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 70536566513 in words is "seventy billion, five hundred thirty-six million, five hundred sixty-six thousand, five hundred thirteen".