3984512664833 has 2 divisors, whose sum is σ = 3984512664834. Its totient is φ = 3984512664832.

The previous prime is 3984512664799. The next prime is 3984512664857. The reversal of 3984512664833 is 3384662154893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3838746769984 + 145765894849 = 1959272^2 + 381793^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984512664833 - 2⁸ = 3984512664577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3984512654833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992256332416 + 1992256332417.

It is an arithmetic number, because the mean of its divisors is an integer number (1992256332417).

Almost surely, 2^{3984512664833} is an apocalyptic number.

It is an amenable number.

3984512664833 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984512664833 is an equidigital number, since it uses as much as digits as its factorization.

3984512664833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89579520, while the sum is 62.

The spelling of 3984512664833 in words is "three trillion, nine hundred eighty-four billion, five hundred twelve million, six hundred sixty-four thousand, eight hundred thirty-three".