4038098681 has 2 divisors, whose sum is σ = 4038098682. Its totient is φ = 4038098680.

The previous prime is 4038098677. The next prime is 4038098699. The reversal of 4038098681 is 1868908304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4037458681 + 640000 = 63541^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4038098681 - 2² = 4038098677 is a prime.

It is a super-2 number, since 2×4038098681² = 32612481914987879522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4038098641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019049340 + 2019049341.

It is an arithmetic number, because the mean of its divisors is an integer number (2019049341).

Almost surely, 2^4038098681 is an apocalyptic number.

It is an amenable number.

4038098681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4038098681 is an equidigital number, since it uses as much as digits as its factorization.

4038098681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 4038098681 is about 63546.0359188518. The cubic root of 4038098681 is about 1592.4249590741.

The spelling of 4038098681 in words is "four billion, thirty-eight million, ninety-eight thousand, six hundred eighty-one".