2497249149 has 4 divisors (see below), whose sum is σ = 3329665536. Its totient is φ = 1664832764.

The previous prime is 2497249147. The next prime is 2497249169. The reversal of 2497249149 is 9419427942.

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 2497249149 - 2¹ = 2497249147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497249141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416208189 + ... + 416208194.

It is an arithmetic number, because the mean of its divisors is an integer number (832416384).

Almost surely, 2^2497249149 is an apocalyptic number.

It is an amenable number.

2497249149 is a deficient number, since it is larger than the sum of its proper divisors (832416387).

2497249149 is an equidigital number, since it uses as much as digits as its factorization.

2497249149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832416386.

The product of its digits is 1306368, while the sum is 51.

The square root of 2497249149 is about 49972.4839186527. The cubic root of 2497249149 is about 1356.7108283760.

The spelling of 2497249149 in words is "two billion, four hundred ninety-seven million, two hundred forty-nine thousand, one hundred forty-nine".