1049789459 has 2 divisors, whose sum is σ = 1049789460. Its totient is φ = 1049789458.

The previous prime is 1049789413. The next prime is 1049789479. The reversal of 1049789459 is 9549879401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1049789459 is a prime.

It is a super-2 number, since 2×1049789459² = 2204115816455025362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049789479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524894729 + 524894730.

It is an arithmetic number, because the mean of its divisors is an integer number (524894730).

Almost surely, 2^1049789459 is an apocalyptic number.

1049789459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049789459 is an equidigital number, since it uses as much as digits as its factorization.

1049789459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 1049789459 is about 32400.4546110082. The cubic root of 1049789459 is about 1016.3284179546.

The spelling of 1049789459 in words is "one billion, forty-nine million, seven hundred eighty-nine thousand, four hundred fifty-nine".