2249658659 has 4 divisors (see below), whose sum is σ = 2250447840. Its totient is φ = 2248869480.

The previous prime is 2249658641. The next prime is 2249658661. The reversal of 2249658659 is 9568569422.

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 2249658659 - 2²⁰ = 2248610083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249658689) 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, 390299 + ... + 396020.

It is an arithmetic number, because the mean of its divisors is an integer number (562611960).

Almost surely, 2^2249658659 is an apocalyptic number.

2249658659 is a deficient number, since it is larger than the sum of its proper divisors (789181).

2249658659 is an equidigital number, since it uses as much as digits as its factorization.

2249658659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789180.

The product of its digits is 9331200, while the sum is 56.

The square root of 2249658659 is about 47430.5667159902. The cubic root of 2249658659 is about 1310.3044295689.

The spelling of 2249658659 in words is "two billion, two hundred forty-nine million, six hundred fifty-eight thousand, six hundred fifty-nine".