2249387479 has 2 divisors, whose sum is σ = 2249387480. Its totient is φ = 2249387478.

The previous prime is 2249387477. The next prime is 2249387501. The reversal of 2249387479 is 9747839422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2249387479 - 2¹ = 2249387477 is a prime.

Together with 2249387477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249387473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124693739 + 1124693740.

It is an arithmetic number, because the mean of its divisors is an integer number (1124693740).

Almost surely, 2^2249387479 is an apocalyptic number.

2249387479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249387479 is an equidigital number, since it uses as much as digits as its factorization.

2249387479 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2249387479 is about 47427.7079247986. The cubic root of 2249387479 is about 1310.2517782282.

The spelling of 2249387479 in words is "two billion, two hundred forty-nine million, three hundred eighty-seven thousand, four hundred seventy-nine".