94470021636 has 48 divisors (see below), whose sum is σ = 227652546240. Its totient is φ = 30467733120.

The previous prime is 94470021617. The next prime is 94470021703. The reversal of 94470021636 is 63612007449.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514855 + ... + 673806.

It is an arithmetic number, because the mean of its divisors is an integer number (4742761380).

Almost surely, 2^94470021636 is an apocalyptic number.

It is an amenable number.

94470021636 is an abundant number, since it is smaller than the sum of its proper divisors (133182524604).

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

94470021636 is a wasteful number, since it uses less digits than its factorization.

94470021636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188884 (or 1188882 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 94470021636 in words is "ninety-four billion, four hundred seventy million, twenty-one thousand, six hundred thirty-six".