2490089543639 has 4 divisors (see below), whose sum is σ = 2490698222760. Its totient is φ = 2489480864520.

The previous prime is 2490089543609. The next prime is 2490089543693. The reversal of 2490089543639 is 9363459800942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490089543639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490089543609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304333424 + ... + 304341605.

It is an arithmetic number, because the mean of its divisors is an integer number (622674555690).

Almost surely, 2^{2490089543639} is an apocalyptic number.

2490089543639 is a deficient number, since it is larger than the sum of its proper divisors (608679121).

2490089543639 is an equidigital number, since it uses as much as digits as its factorization.

2490089543639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608679120.

The product of its (nonzero) digits is 50388480, while the sum is 62.

The spelling of 2490089543639 in words is "two trillion, four hundred ninety billion, eighty-nine million, five hundred forty-three thousand, six hundred thirty-nine".