3932278081 has 2 divisors, whose sum is σ = 3932278082. Its totient is φ = 3932278080.

The previous prime is 3932278069. The next prime is 3932278117. The reversal of 3932278081 is 1808722393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2479143681 + 1453134400 = 49791^2 + 38120^2 .

It is a cyclic number.

It is not a de Polignac number, because 3932278081 - 2²⁷ = 3798060353 is a prime.

It is a super-2 number, since 2×3932278081² = 30925621812626085122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3932378081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966139040 + 1966139041.

It is an arithmetic number, because the mean of its divisors is an integer number (1966139041).

Almost surely, 2^3932278081 is an apocalyptic number.

It is an amenable number.

3932278081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3932278081 is an equidigital number, since it uses as much as digits as its factorization.

3932278081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 3932278081 is about 62707.8789387745. The cubic root of 3932278081 is about 1578.3915267183.

The spelling of 3932278081 in words is "three billion, nine hundred thirty-two million, two hundred seventy-eight thousand, eighty-one".