2249140279 has 2 divisors, whose sum is σ = 2249140280. Its totient is φ = 2249140278.

The previous prime is 2249140259. The next prime is 2249140291. The reversal of 2249140279 is 9720419422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2249140279 - 2¹⁹ = 2248615991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249140259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124570139 + 1124570140.

It is an arithmetic number, because the mean of its divisors is an integer number (1124570140).

Almost surely, 2^2249140279 is an apocalyptic number.

2249140279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249140279 is an equidigital number, since it uses as much as digits as its factorization.

2249140279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2249140279 is about 47425.1017816515. The cubic root of 2249140279 is about 1310.2037790717.

The spelling of 2249140279 in words is "two billion, two hundred forty-nine million, one hundred forty thousand, two hundred seventy-nine".