2490089543609 has 2 divisors, whose sum is σ = 2490089543610. Its totient is φ = 2490089543608.

The previous prime is 2490089543603. The next prime is 2490089543693. The reversal of 2490089543609 is 9063459800942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2467349808400 + 22739735209 = 1570780^2 + 150797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490089543609 - 2³² = 2485794576313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2490089543603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245044771804 + 1245044771805.

It is an arithmetic number, because the mean of its divisors is an integer number (1245044771805).

Almost surely, 2^{2490089543609} is an apocalyptic number.

It is an amenable number.

2490089543609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490089543609 is an equidigital number, since it uses as much as digits as its factorization.

2490089543609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 2490089543609 in words is "two trillion, four hundred ninety billion, eighty-nine million, five hundred forty-three thousand, six hundred nine".