2243679959 has 2 divisors, whose sum is σ = 2243679960. Its totient is φ = 2243679958.

The previous prime is 2243679913. The next prime is 2243679989. The reversal of 2243679959 is 9599763422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243679959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243679989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121839979 + 1121839980.

It is an arithmetic number, because the mean of its divisors is an integer number (1121839980).

Almost surely, 2^2243679959 is an apocalyptic number.

2243679959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243679959 is an equidigital number, since it uses as much as digits as its factorization.

2243679959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 56.

The square root of 2243679959 is about 47367.4989734523. The cubic root of 2243679959 is about 1309.1426433663.

The spelling of 2243679959 in words is "two billion, two hundred forty-three million, six hundred seventy-nine thousand, nine hundred fifty-nine".