4098640937 has 2 divisors, whose sum is σ = 4098640938. Its totient is φ = 4098640936.

The previous prime is 4098640853. The next prime is 4098640951. The reversal of 4098640937 is 7390468904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3442051561 + 656589376 = 58669^2 + 25624^2 .

It is a cyclic number.

It is not a de Polignac number, because 4098640937 - 2⁸ = 4098640681 is a prime.

It is not a weakly prime, because it can be changed into another prime (4098640957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049320468 + 2049320469.

It is an arithmetic number, because the mean of its divisors is an integer number (2049320469).

Almost surely, 2^4098640937 is an apocalyptic number.

It is an amenable number.

4098640937 is a deficient number, since it is larger than the sum of its proper divisors (1).

4098640937 is an equidigital number, since it uses as much as digits as its factorization.

4098640937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 4098640937 is about 64020.6289956605. The cubic root of 4098640937 is about 1600.3437981267.

The spelling of 4098640937 in words is "four billion, ninety-eight million, six hundred forty thousand, nine hundred thirty-seven".