3934439401 has 2 divisors, whose sum is σ = 3934439402. Its totient is φ = 3934439400.

The previous prime is 3934439389. The next prime is 3934439429. The reversal of 3934439401 is 1049344393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2109013776 + 1825425625 = 45924^2 + 42725^2 .

It is a cyclic number.

It is not a de Polignac number, because 3934439401 - 2⁷ = 3934439273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3934439441) 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, 1967219700 + 1967219701.

It is an arithmetic number, because the mean of its divisors is an integer number (1967219701).

Almost surely, 2^3934439401 is an apocalyptic number.

It is an amenable number.

3934439401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3934439401 is an equidigital number, since it uses as much as digits as its factorization.

3934439401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 3934439401 is about 62725.1098125782. The cubic root of 3934439401 is about 1578.6806538082.

The spelling of 3934439401 in words is "three billion, nine hundred thirty-four million, four hundred thirty-nine thousand, four hundred one".