2140874459 has 2 divisors, whose sum is σ = 2140874460. Its totient is φ = 2140874458.

The previous prime is 2140874423. The next prime is 2140874471. The reversal of 2140874459 is 9544780412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140874459 - 2²⁸ = 1872439003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140874479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070437229 + 1070437230.

It is an arithmetic number, because the mean of its divisors is an integer number (1070437230).

Almost surely, 2^2140874459 is an apocalyptic number.

2140874459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140874459 is an equidigital number, since it uses as much as digits as its factorization.

2140874459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2140874459 is about 46269.5845993888. The cubic root of 2140874459 is about 1288.8342450000.

The spelling of 2140874459 in words is "two billion, one hundred forty million, eight hundred seventy-four thousand, four hundred fifty-nine".