4003942801 has 2 divisors, whose sum is σ = 4003942802. Its totient is φ = 4003942800.

The previous prime is 4003942757. The next prime is 4003942883. The reversal of 4003942801 is 1082493004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2077171776 + 1926771025 = 45576^2 + 43895^2 .

It is a cyclic number.

It is not a de Polignac number, because 4003942801 - 2¹³ = 4003934609 is a prime.

It is not a weakly prime, because it can be changed into another prime (4003942001) 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 as a sum of consecutive naturals, namely, 2001971400 + 2001971401.

It is an arithmetic number, because the mean of its divisors is an integer number (2001971401).

Almost surely, 2^4003942801 is an apocalyptic number.

It is an amenable number.

4003942801 is a deficient number, since it is larger than the sum of its proper divisors (1).

4003942801 is an equidigital number, since it uses as much as digits as its factorization.

4003942801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4003942801 is about 63276.7161047411. The cubic root of 4003942801 is about 1587.9224478969.

The spelling of 4003942801 in words is "four billion, three million, nine hundred forty-two thousand, eight hundred one".