3984514808831 has 8 divisors (see below), whose sum is σ = 4190492811264. Its totient is φ = 3781264992120.

The previous prime is 3984514808789. The next prime is 3984514808837. The reversal of 3984514808831 is 1388084154893.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3984514808831 is a prime.

It is a super-2 number, since 2×3984514808831² (a number of 26 digits) 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 (3984514808837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682043435 + ... + 682049276.

It is an arithmetic number, because the mean of its divisors is an integer number (523811601408).

Almost surely, 2^{3984514808831} is an apocalyptic number.

3984514808831 is a deficient number, since it is larger than the sum of its proper divisors (205978002433).

3984514808831 is a wasteful number, since it uses less digits than its factorization.

3984514808831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364092861.

The product of its (nonzero) digits is 26542080, while the sum is 62.

The spelling of 3984514808831 in words is "three trillion, nine hundred eighty-four billion, five hundred fourteen million, eight hundred eight thousand, eight hundred thirty-one".