2140431599 has 2 divisors, whose sum is σ = 2140431600. Its totient is φ = 2140431598.

The previous prime is 2140431581. The next prime is 2140431607. The reversal of 2140431599 is 9951340412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140431599 - 2²⁰ = 2139383023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140431569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070215799 + 1070215800.

It is an arithmetic number, because the mean of its divisors is an integer number (1070215800).

Almost surely, 2^2140431599 is an apocalyptic number.

2140431599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140431599 is an equidigital number, since it uses as much as digits as its factorization.

2140431599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2140431599 is about 46264.7987026854. The cubic root of 2140431599 is about 1288.7453697131.

The spelling of 2140431599 in words is "two billion, one hundred forty million, four hundred thirty-one thousand, five hundred ninety-nine".