2249090639 has 4 divisors (see below), whose sum is σ = 2282659224. Its totient is φ = 2215522056.

The previous prime is 2249090587. The next prime is 2249090647. The reversal of 2249090639 is 9360909422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249090639 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 2249090639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249090689) 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, 16784192 + ... + 16784325.

It is an arithmetic number, because the mean of its divisors is an integer number (570664806).

Almost surely, 2^2249090639 is an apocalyptic number.

2249090639 is a deficient number, since it is larger than the sum of its proper divisors (33568585).

2249090639 is an equidigital number, since it uses as much as digits as its factorization.

2249090639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33568584.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 2249090639 is about 47424.5784272248. The cubic root of 2249090639 is about 1310.1941399821.

The spelling of 2249090639 in words is "two billion, two hundred forty-nine million, ninety thousand, six hundred thirty-nine".