2249140291 has 2 divisors, whose sum is σ = 2249140292. Its totient is φ = 2249140290.

The previous prime is 2249140279. The next prime is 2249140297. The reversal of 2249140291 is 1920419422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2249140291 - 2⁵ = 2249140259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2249140297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124570145 + 1124570146.

It is an arithmetic number, because the mean of its divisors is an integer number (1124570146).

Almost surely, 2^2249140291 is an apocalyptic number.

2249140291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249140291 is an equidigital number, since it uses as much as digits as its factorization.

2249140291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2249140291 is about 47425.1019081667. The cubic root of 2249140291 is about 1310.2037814018.

The spelling of 2249140291 in words is "two billion, two hundred forty-nine million, one hundred forty thousand, two hundred ninety-one".