1144799779 has 2 divisors, whose sum is σ = 1144799780. Its totient is φ = 1144799778.

The previous prime is 1144799753. The next prime is 1144799801. The reversal of 1144799779 is 9779974411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144799779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144799729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572399889 + 572399890.

It is an arithmetic number, because the mean of its divisors is an integer number (572399890).

Almost surely, 2^1144799779 is an apocalyptic number.

1144799779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144799779 is an equidigital number, since it uses as much as digits as its factorization.

1144799779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 58.

The square root of 1144799779 is about 33834.8899658326. The cubic root of 1144799779 is about 1046.1079734431.

The spelling of 1144799779 in words is "one billion, one hundred forty-four million, seven hundred ninety-nine thousand, seven hundred seventy-nine".