39474644236 has 6 divisors (see below), whose sum is σ = 69080627420. Its totient is φ = 19737322116.

The previous prime is 39474644233. The next prime is 39474644243. The reversal of 39474644236 is 63244647493.

It is not an unprimeable number, because it can be changed into a prime (39474644233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4934330526 + ... + 4934330533.

Almost surely, 2^39474644236 is an apocalyptic number.

It is an amenable number.

39474644236 is a deficient number, since it is larger than the sum of its proper divisors (29605983184).

39474644236 is a wasteful number, since it uses less digits than its factorization.

39474644236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868661063 (or 9868661061 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 52.

The spelling of 39474644236 in words is "thirty-nine billion, four hundred seventy-four million, six hundred forty-four thousand, two hundred thirty-six".