2140657408499 has 2 divisors, whose sum is σ = 2140657408500. Its totient is φ = 2140657408498.

The previous prime is 2140657408489. The next prime is 2140657408567. The reversal of 2140657408499 is 9948047560412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140657408499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140657408489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070328704249 + 1070328704250.

It is an arithmetic number, because the mean of its divisors is an integer number (1070328704250).

Almost surely, 2^{2140657408499} is an apocalyptic number.

2140657408499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140657408499 is an equidigital number, since it uses as much as digits as its factorization.

2140657408499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 2140657408499 in words is "two trillion, one hundred forty billion, six hundred fifty-seven million, four hundred eight thousand, four hundred ninety-nine".