38323889812 has 12 divisors (see below), whose sum is σ = 72225792436. Its totient is φ = 17687949120.

The previous prime is 38323889801. The next prime is 38323889819. The reversal of 38323889812 is 21898832383.

It can be written as a sum of positive squares in 2 ways, for example, as 2350698256 + 35973191556 = 48484^2 + 189666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38323889819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368498889 + ... + 368498992.

Almost surely, 2^38323889812 is an apocalyptic number.

It is an amenable number.

38323889812 is a deficient number, since it is larger than the sum of its proper divisors (33901902624).

38323889812 is a wasteful number, since it uses less digits than its factorization.

38323889812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736997898 (or 736997896 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The spelling of 38323889812 in words is "thirty-eight billion, three hundred twenty-three million, eight hundred eighty-nine thousand, eight hundred twelve".