2249476949 has 4 divisors (see below), whose sum is σ = 2271749100. Its totient is φ = 2227204800.

The previous prime is 2249476921. The next prime is 2249476967. The reversal of 2249476949 is 9496749422.

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 1534288900 + 715188049 = 39170^2 + 26743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249476949 - 2¹² = 2249472853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2249476894 and 2249476903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249476909) 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 3 ways as a sum of consecutive naturals, for example, 11135924 + ... + 11136125.

It is an arithmetic number, because the mean of its divisors is an integer number (567937275).

Almost surely, 2^2249476949 is an apocalyptic number.

It is an amenable number.

2249476949 is a deficient number, since it is larger than the sum of its proper divisors (22272151).

2249476949 is a wasteful number, since it uses less digits than its factorization.

2249476949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272150.

The product of its digits is 7838208, while the sum is 56.

The square root of 2249476949 is about 47428.6511404235. The cubic root of 2249476949 is about 1310.2691498718.

The spelling of 2249476949 in words is "two billion, two hundred forty-nine million, four hundred seventy-six thousand, nine hundred forty-nine".