2249124049 has 4 divisors (see below), whose sum is σ = 2249513140. Its totient is φ = 2248734960.

The previous prime is 2249124047. The next prime is 2249124061. The reversal of 2249124049 is 9404219422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 267093649 + 1982030400 = 16343^2 + 44520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249124049 - 2¹ = 2249124047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2249123999 and 2249124017.

It is not an unprimeable number, because it can be changed into a prime (2249124047) 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, 185742 + ... + 197479.

It is an arithmetic number, because the mean of its divisors is an integer number (562378285).

Almost surely, 2^2249124049 is an apocalyptic number.

It is an amenable number.

2249124049 is a deficient number, since it is larger than the sum of its proper divisors (389091).

2249124049 is an equidigital number, since it uses as much as digits as its factorization.

2249124049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389090.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2249124049 is about 47424.9306694274. The cubic root of 2249124049 is about 1310.2006275477.

The spelling of 2249124049 in words is "two billion, two hundred forty-nine million, one hundred twenty-four thousand, forty-nine".