70485621636 has 12 divisors (see below), whose sum is σ = 164466450512. Its totient is φ = 23495207208.

The previous prime is 70485621607. The next prime is 70485621643. The reversal of 70485621636 is 63612658407.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936900890 + ... + 2936900913.

Almost surely, 2^70485621636 is an apocalyptic number.

It is an amenable number.

70485621636 is an abundant number, since it is smaller than the sum of its proper divisors (93980828876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70485621636 is a wasteful number, since it uses less digits than its factorization.

70485621636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873801810 (or 5873801808 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 70485621636 in words is "seventy billion, four hundred eighty-five million, six hundred twenty-one thousand, six hundred thirty-six".