39471727964 has 24 divisors (see below), whose sum is σ = 69404649888. Its totient is φ = 19642029120.

The previous prime is 39471727963. The next prime is 39471727969. The reversal of 39471727964 is 46972717493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39471727961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775442 + ... + 824774.

It is an arithmetic number, because the mean of its divisors is an integer number (2891860412).

Almost surely, 2^39471727964 is an apocalyptic number.

It is an amenable number.

39471727964 is a deficient number, since it is larger than the sum of its proper divisors (29932921924).

39471727964 is a wasteful number, since it uses less digits than its factorization.

39471727964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50285 (or 50283 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 59.

The spelling of 39471727964 in words is "thirty-nine billion, four hundred seventy-one million, seven hundred twenty-seven thousand, nine hundred sixty-four".