2503312649 has 4 divisors (see below), whose sum is σ = 2506936080. Its totient is φ = 2499689220.

The previous prime is 2503312633. The next prime is 2503312657. The reversal of 2503312649 is 9462133052.

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 not a de Polignac number, because 2503312649 - 2⁴ = 2503312633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503312349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810679 + ... + 1812060.

It is an arithmetic number, because the mean of its divisors is an integer number (626734020).

Almost surely, 2^2503312649 is an apocalyptic number.

It is an amenable number.

2503312649 is a deficient number, since it is larger than the sum of its proper divisors (3623431).

2503312649 is an equidigital number, since it uses as much as digits as its factorization.

2503312649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623430.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2503312649 is about 50033.1155236210. The cubic root of 2503312649 is about 1357.8080045720.

The spelling of 2503312649 in words is "two billion, five hundred three million, three hundred twelve thousand, six hundred forty-nine".