2249938642 has 16 divisors (see below), whose sum is σ = 3863491200. Its totient is φ = 962646048.

The previous prime is 2249938573. The next prime is 2249938703. The reversal of 2249938642 is 2468399422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125763 + ... + 142534.

It is an arithmetic number, because the mean of its divisors is an integer number (241468200).

Almost surely, 2^2249938642 is an apocalyptic number.

2249938642 is a deficient number, since it is larger than the sum of its proper divisors (1613552558).

2249938642 is a wasteful number, since it uses less digits than its factorization.

2249938642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268905.

The product of its digits is 1492992, while the sum is 49.

The square root of 2249938642 is about 47433.5181280073. The cubic root of 2249938642 is about 1310.3587856295.

The spelling of 2249938642 in words is "two billion, two hundred forty-nine million, nine hundred thirty-eight thousand, six hundred forty-two".