3988307921306 has 8 divisors (see below), whose sum is σ = 6049680555060. Its totient is φ = 1971747736288.

The previous prime is 3988307921281. The next prime is 3988307921327. The reversal of 3988307921306 is 6031297038893.

It can be written as a sum of positive squares in 2 ways, for example, as 3975218502025 + 13089419281 = 1993795^2 + 114409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11203111961 + ... + 11203112316.

Almost surely, 2^{3988307921306} is an apocalyptic number.

3988307921306 is a deficient number, since it is larger than the sum of its proper divisors (2061372633754).

3988307921306 is a wasteful number, since it uses less digits than its factorization.

3988307921306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22406224368.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 3988307921306 in words is "three trillion, nine hundred eighty-eight billion, three hundred seven million, nine hundred twenty-one thousand, three hundred six".