3945959441 has 2 divisors, whose sum is σ = 3945959442. Its totient is φ = 3945959440.

The previous prime is 3945959431. The next prime is 3945959453. The reversal of 3945959441 is 1449595493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3930788416 + 15171025 = 62696^2 + 3895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3945959441 - 2⁶ = 3945959377 is a prime.

It is not a weakly prime, because it can be changed into another prime (3945959431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972979720 + 1972979721.

It is an arithmetic number, because the mean of its divisors is an integer number (1972979721).

Almost surely, 2^3945959441 is an apocalyptic number.

It is an amenable number.

3945959441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945959441 is an equidigital number, since it uses as much as digits as its factorization.

3945959441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 53.

The square root of 3945959441 is about 62816.8722637477. The cubic root of 3945959441 is about 1580.2199449458.

The spelling of 3945959441 in words is "three billion, nine hundred forty-five million, nine hundred fifty-nine thousand, four hundred forty-one".