2490309361 has 4 divisors (see below), whose sum is σ = 2492725824. Its totient is φ = 2487892900.

The previous prime is 2490309343. The next prime is 2490309389. The reversal of 2490309361 is 1639030942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490309361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2490309361.

It is not an unprimeable number, because it can be changed into a prime (2490300361) 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 3 ways as a sum of consecutive naturals, for example, 1206685 + ... + 1208746.

It is an arithmetic number, because the mean of its divisors is an integer number (623181456).

Almost surely, 2^2490309361 is an apocalyptic number.

It is an amenable number.

2490309361 is a deficient number, since it is larger than the sum of its proper divisors (2416463).

2490309361 is a wasteful number, since it uses less digits than its factorization.

2490309361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416462.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 2490309361 is about 49902.9995190670. Note that the first 3 decimals coincide. The cubic root of 2490309361 is about 1355.4529081523.

The spelling of 2490309361 in words is "two billion, four hundred ninety million, three hundred nine thousand, three hundred sixty-one".