4045993937 has 2 divisors, whose sum is σ = 4045993938. Its totient is φ = 4045993936.

The previous prime is 4045993891. The next prime is 4045993943. The reversal of 4045993937 is 7393995404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036175376 + 2009818561 = 45124^2 + 44831^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045993937 - 2⁶ = 4045993873 is a prime.

It is not a weakly prime, because it can be changed into another prime (4045993337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022996968 + 2022996969.

It is an arithmetic number, because the mean of its divisors is an integer number (2022996969).

Almost surely, 2^4045993937 is an apocalyptic number.

It is an amenable number.

4045993937 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045993937 is an equidigital number, since it uses as much as digits as its factorization.

4045993937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The square root of 4045993937 is about 63608.1279161712. The cubic root of 4045993937 is about 1593.4621153074.

The spelling of 4045993937 in words is "four billion, forty-five million, nine hundred ninety-three thousand, nine hundred thirty-seven".