3999925383138 has 96 divisors (see below), whose sum is σ = 8807930651520. Its totient is φ = 1311698292480.

The previous prime is 3999925383133. The next prime is 3999925383211. The reversal of 3999925383138 is 8313835299993.

3999925383138 is a `hidden beast` number, since 3 + 9 + 9 + 99 + 25 + 383 + 138 = 666.

It is not an unprimeable number, because it can be changed into a prime (3999925383133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354817870 + ... + 354829142.

It is an arithmetic number, because the mean of its divisors is an integer number (91749277620).

Almost surely, 2^{3999925383138} is an apocalyptic number.

3999925383138 is an abundant number, since it is smaller than the sum of its proper divisors (4808005268382).

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

3999925383138 is a wasteful number, since it uses less digits than its factorization.

3999925383138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344 (or 12341 counting only the distinct ones).

The product of its digits is 340122240, while the sum is 72.

The spelling of 3999925383138 in words is "three trillion, nine hundred ninety-nine billion, nine hundred twenty-five million, three hundred eighty-three thousand, one hundred thirty-eight".