2249479387 has 2 divisors, whose sum is σ = 2249479388. Its totient is φ = 2249479386.

The previous prime is 2249479367. The next prime is 2249479399. The reversal of 2249479387 is 7839749422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249479387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2249479357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124739693 + 1124739694.

It is an arithmetic number, because the mean of its divisors is an integer number (1124739694).

Almost surely, 2^2249479387 is an apocalyptic number.

2249479387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249479387 is an equidigital number, since it uses as much as digits as its factorization.

2249479387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The square root of 2249479387 is about 47428.6768421806. The cubic root of 2249479387 is about 1310.2696232314.

It can be divided in two parts, 2249 and 479387, that added together give a square (481636 = 694²).

The spelling of 2249479387 in words is "two billion, two hundred forty-nine million, four hundred seventy-nine thousand, three hundred eighty-seven".