2490549979 has 8 divisors (see below), whose sum is σ = 2526259952. Its totient is φ = 2454883200.

The previous prime is 2490549931. The next prime is 2490550019. The reversal of 2490549979 is 9799450942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2490549979 - 2⁷ = 2490549851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490549679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115879 + ... + 135679.

It is an arithmetic number, because the mean of its divisors is an integer number (315782494).

Almost surely, 2^2490549979 is an apocalyptic number.

2490549979 is a deficient number, since it is larger than the sum of its proper divisors (35709973).

2490549979 is a wasteful number, since it uses less digits than its factorization.

2490549979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21597.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 2490549979 is about 49905.4103179204. The cubic root of 2490549979 is about 1355.4965621482.

The spelling of 2490549979 in words is "two billion, four hundred ninety million, five hundred forty-nine thousand, nine hundred seventy-nine".