94639924093 has 24 divisors (see below), whose sum is σ = 112608494264. Its totient is φ = 79006371840.

The previous prime is 94639924079. The next prime is 94639924201. The reversal of 94639924093 is 39042993649.

It can be written as a sum of positive squares in 4 ways, for example, as 11948020249 + 82691903844 = 109307^2 + 287562^2 .

It is a de Polignac number, because none of the positive numbers 2^k-94639924093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94639924003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147721 + ... + 459457.

Almost surely, 2^94639924093 is an apocalyptic number.

It is an amenable number.

94639924093 is a deficient number, since it is larger than the sum of its proper divisors (17968570171).

94639924093 is a wasteful number, since it uses less digits than its factorization.

94639924093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311965 (or 311954 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 58.

The spelling of 94639924093 in words is "ninety-four billion, six hundred thirty-nine million, nine hundred twenty-four thousand, ninety-three".