3999370102 has 72 divisors (see below), whose sum is σ = 7626766896. Its totient is φ = 1559035296.

The previous prime is 3999370093. The next prime is 3999370117. The reversal of 3999370102 is 2010739993.

It is a super-2 number, since 2×3999370102² = 31989922425542980808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7950783 + ... + 7951285.

It is an arithmetic number, because the mean of its divisors is an integer number (105927318).

Almost surely, 2^3999370102 is an apocalyptic number.

3999370102 is a deficient number, since it is larger than the sum of its proper divisors (3627396794).

3999370102 is a wasteful number, since it uses less digits than its factorization.

3999370102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 3999370102 is about 63240.5732263711. The cubic root of 3999370102 is about 1587.3177225316.

The spelling of 3999370102 in words is "three billion, nine hundred ninety-nine million, three hundred seventy thousand, one hundred two".