2140431499 has 2 divisors, whose sum is σ = 2140431500. Its totient is φ = 2140431498.

The previous prime is 2140431481. The next prime is 2140431551. The reversal of 2140431499 is 9941340412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140431499 - 2⁹ = 2140430987 is a prime.

It is a super-2 number, since 2×2140431499² = 9162894003822774002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2140431299) 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, 1070215749 + 1070215750.

It is an arithmetic number, because the mean of its divisors is an integer number (1070215750).

Almost surely, 2^2140431499 is an apocalyptic number.

2140431499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140431499 is an equidigital number, since it uses as much as digits as its factorization.

2140431499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2140431499 is about 46264.7976219501. The cubic root of 2140431499 is about 1288.7453496433.

The spelling of 2140431499 in words is "two billion, one hundred forty million, four hundred thirty-one thousand, four hundred ninety-nine".