2490646837499 has 4 divisors (see below), whose sum is σ = 2490651361440. Its totient is φ = 2490642313560.

The previous prime is 2490646837493. The next prime is 2490646837513. The reversal of 2490646837499 is 9947386460942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2490646837499 - 2²⁴ = 2490630060283 is a prime.

It is a super-2 number, since 2×2490646837499² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490646837493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299692 + ... + 2582729.

It is an arithmetic number, because the mean of its divisors is an integer number (622662840360).

Almost surely, 2^{2490646837499} is an apocalyptic number.

2490646837499 is a deficient number, since it is larger than the sum of its proper divisors (4523941).

2490646837499 is an equidigital number, since it uses as much as digits as its factorization.

2490646837499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523940.

The product of its (nonzero) digits is 564350976, while the sum is 71.

The spelling of 2490646837499 in words is "two trillion, four hundred ninety billion, six hundred forty-six million, eight hundred thirty-seven thousand, four hundred ninety-nine".