39495856812 has 24 divisors (see below), whose sum is σ = 92236272576. Its totient is φ = 13153960848.

The previous prime is 39495856801. The next prime is 39495856823. The reversal of 39495856812 is 21865859493.

It is an interprime number because it is at equal distance from previous prime (39495856801) and next prime (39495856823).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401058 + ... + 1428969.

It is an arithmetic number, because the mean of its divisors is an integer number (3843178024).

Almost surely, 2^39495856812 is an apocalyptic number.

It is an amenable number.

39495856812 is an abundant number, since it is smaller than the sum of its proper divisors (52740415764).

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

39495856812 is a wasteful number, since it uses less digits than its factorization.

39495856812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831197 (or 2831195 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 39495856812 in words is "thirty-nine billion, four hundred ninety-five million, eight hundred fifty-six thousand, eight hundred twelve".