3938325081 has 8 divisors (see below), whose sum is σ = 5264600640. Its totient is φ = 2618799792.

The previous prime is 3938325049. The next prime is 3938325089. The reversal of 3938325081 is 1805238393.

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

It is not a de Polignac number, because 3938325081 - 2⁵ = 3938325049 is a prime.

It is a super-2 number, since 2×3938325081² = 31020808887267313122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3938325089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686205 + ... + 1688538.

It is an arithmetic number, because the mean of its divisors is an integer number (658075080).

Almost surely, 2^3938325081 is an apocalyptic number.

It is an amenable number.

3938325081 is a deficient number, since it is larger than the sum of its proper divisors (1326275559).

3938325081 is a wasteful number, since it uses less digits than its factorization.

3938325081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375135.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3938325081 is about 62756.0760484592. The cubic root of 3938325081 is about 1579.2001881828.

The spelling of 3938325081 in words is "three billion, nine hundred thirty-eight million, three hundred twenty-five thousand, eighty-one".