3942239777516 has 12 divisors (see below), whose sum is σ = 6945221085600. Its totient is φ = 1957890895920.

The previous prime is 3942239777477. The next prime is 3942239777519. The reversal of 3942239777516 is 6157779322493.

It is not an unprimeable number, because it can be changed into a prime (3942239777519) 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, 3307247540 + ... + 3307248731.

It is an arithmetic number, because the mean of its divisors is an integer number (578768423800).

Almost surely, 2^{3942239777516} is an apocalyptic number.

It is an amenable number.

3942239777516 is a deficient number, since it is larger than the sum of its proper divisors (3002981308084).

3942239777516 is a wasteful number, since it uses less digits than its factorization.

3942239777516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614496424 (or 6614496422 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 65.

The spelling of 3942239777516 in words is "three trillion, nine hundred forty-two billion, two hundred thirty-nine million, seven hundred seventy-seven thousand, five hundred sixteen".