2140561459 has 2 divisors, whose sum is σ = 2140561460. Its totient is φ = 2140561458.

The previous prime is 2140561421. The next prime is 2140561483. The reversal of 2140561459 is 9541650412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140561459 - 2¹¹ = 2140559411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140561559) 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, 1070280729 + 1070280730.

It is an arithmetic number, because the mean of its divisors is an integer number (1070280730).

Almost surely, 2^2140561459 is an apocalyptic number.

2140561459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140561459 is an equidigital number, since it uses as much as digits as its factorization.

2140561459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2140561459 is about 46266.2021242289. The cubic root of 2140561459 is about 1288.7714319163.

The spelling of 2140561459 in words is "two billion, one hundred forty million, five hundred sixty-one thousand, four hundred fifty-nine".