3913838831 has 8 divisors (see below), whose sum is σ = 4514762880. Its totient is φ = 3323365848.

The previous prime is 3913838827. The next prime is 3913838833. The reversal of 3913838831 is 1388383193.

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

It is a cyclic number.

It is not a de Polignac number, because 3913838831 - 2² = 3913838827 is a prime.

It is a super-2 number, since 2×3913838831² = 30636268790086893122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913838833) 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, 2611961 + ... + 2613458.

It is an arithmetic number, because the mean of its divisors is an integer number (564345360).

Almost surely, 2^3913838831 is an apocalyptic number.

3913838831 is a deficient number, since it is larger than the sum of its proper divisors (600924049).

3913838831 is a wasteful number, since it uses less digits than its factorization.

3913838831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225533.

The product of its digits is 373248, while the sum is 47.

The square root of 3913838831 is about 62560.6811903451. The cubic root of 3913838831 is about 1575.9205276078.

The spelling of 3913838831 in words is "three billion, nine hundred thirteen million, eight hundred thirty-eight thousand, eight hundred thirty-one".