2249972369 has 2 divisors, whose sum is σ = 2249972370. Its totient is φ = 2249972368.

The previous prime is 2249972341. The next prime is 2249972393. The reversal of 2249972369 is 9632799422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2214925969 + 35046400 = 47063^2 + 5920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249972369 is a prime.

It is a super-2 number, since 2×2249972369² = 10124751322526944322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2249972369.

It is not a weakly prime, because it can be changed into another prime (2249972269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124986184 + 1124986185.

It is an arithmetic number, because the mean of its divisors is an integer number (1124986185).

Almost surely, 2^2249972369 is an apocalyptic number.

It is an amenable number.

2249972369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249972369 is an equidigital number, since it uses as much as digits as its factorization.

2249972369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 53.

The square root of 2249972369 is about 47433.8736453181. The cubic root of 2249972369 is about 1310.3653331043.

The spelling of 2249972369 in words is "two billion, two hundred forty-nine million, nine hundred seventy-two thousand, three hundred sixty-nine".