2249917139 has 8 divisors (see below), whose sum is σ = 2386847088. Its totient is φ = 2113496320.

The previous prime is 2249917133. The next prime is 2249917157. The reversal of 2249917139 is 9317199422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249917139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2249917093 and 2249917102.

It is not an unprimeable number, because it can be changed into a prime (2249917133) 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 7 ways as a sum of consecutive naturals, for example, 118157 + ... + 135870.

It is an arithmetic number, because the mean of its divisors is an integer number (298355886).

Almost surely, 2^2249917139 is an apocalyptic number.

2249917139 is a deficient number, since it is larger than the sum of its proper divisors (136929949).

2249917139 is a wasteful number, since it uses less digits than its factorization.

2249917139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254565.

The product of its digits is 244944, while the sum is 47.

The square root of 2249917139 is about 47433.2914628534. The cubic root of 2249917139 is about 1310.3546111846.

The spelling of 2249917139 in words is "two billion, two hundred forty-nine million, nine hundred seventeen thousand, one hundred thirty-nine".