1089759739 has 2 divisors, whose sum is σ = 1089759740. Its totient is φ = 1089759738.

The previous prime is 1089759701. The next prime is 1089759743. The reversal of 1089759739 is 9379579801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1089759739 - 2²⁷ = 955542011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1089759439) 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, 544879869 + 544879870.

It is an arithmetic number, because the mean of its divisors is an integer number (544879870).

Almost surely, 2^1089759739 is an apocalyptic number.

1089759739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089759739 is an equidigital number, since it uses as much as digits as its factorization.

1089759739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The square root of 1089759739 is about 33011.5091899780. The cubic root of 1089759739 is about 1029.0668454804.

The spelling of 1089759739 in words is "one billion, eighty-nine million, seven hundred fifty-nine thousand, seven hundred thirty-nine".