2489900539 has 4 divisors (see below), whose sum is σ = 2845600624. Its totient is φ = 2134200456.

The previous prime is 2489900519. The next prime is 2489900551. The reversal of 2489900539 is 9350099842.

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 2489900539 - 2⁵ = 2489900507 is a prime.

It is a super-2 number, since 2×2489900539² = 12399209388224981042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489900492 and 2489900501.

It is not an unprimeable number, because it can be changed into a prime (2489900519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177850032 + ... + 177850045.

It is an arithmetic number, because the mean of its divisors is an integer number (711400156).

Almost surely, 2^2489900539 is an apocalyptic number.

2489900539 is a deficient number, since it is larger than the sum of its proper divisors (355700085).

2489900539 is an equidigital number, since it uses as much as digits as its factorization.

2489900539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355700084.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 2489900539 is about 49898.9031843386. The cubic root of 2489900539 is about 1355.3787313848.

The spelling of 2489900539 in words is "two billion, four hundred eighty-nine million, nine hundred thousand, five hundred thirty-nine".