1144939879 has 2 divisors, whose sum is σ = 1144939880. Its totient is φ = 1144939878.

The previous prime is 1144939871. The next prime is 1144939891. The reversal of 1144939879 is 9789394411.

It is a weak prime.

It is an emirp because it is prime and its reverse (9789394411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144939879 - 2³ = 1144939871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144939871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572469939 + 572469940.

It is an arithmetic number, because the mean of its divisors is an integer number (572469940).

Almost surely, 2^1144939879 is an apocalyptic number.

1144939879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144939879 is an equidigital number, since it uses as much as digits as its factorization.

1144939879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 55.

The square root of 1144939879 is about 33836.9602505899. The cubic root of 1144939879 is about 1046.1506457519.

The spelling of 1144939879 in words is "one billion, one hundred forty-four million, nine hundred thirty-nine thousand, eight hundred seventy-nine".