3917912839372 has 24 divisors (see below), whose sum is σ = 7836997502880. Its totient is φ = 1678854397440.

The previous prime is 3917912839343. The next prime is 3917912839387. The reversal of 3917912839372 is 2739382197193.

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, 10272079 + ... + 10646662.

It is an arithmetic number, because the mean of its divisors is an integer number (326541562620).

Almost surely, 2^{3917912839372} is an apocalyptic number.

It is an amenable number.

3917912839372 is an abundant number, since it is smaller than the sum of its proper divisors (3919084663508).

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

3917912839372 is a wasteful number, since it uses less digits than its factorization.

3917912839372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20925441 (or 20925439 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 64.

The spelling of 3917912839372 in words is "three trillion, nine hundred seventeen billion, nine hundred twelve million, eight hundred thirty-nine thousand, three hundred seventy-two".