739799989 has 2 divisors, whose sum is σ = 739799990. Its totient is φ = 739799988.

The previous prime is 739799987. The next prime is 739800001. The reversal of 739799989 is 989997937.

739799989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582498225 + 157301764 = 24135^2 + 12542^2 .

It is a cyclic number.

It is not a de Polignac number, because 739799989 - 2¹ = 739799987 is a prime.

Together with 739799987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (739799981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369899994 + 369899995.

It is an arithmetic number, because the mean of its divisors is an integer number (369899995).

Almost surely, 2^739799989 is an apocalyptic number.

It is an amenable number.

739799989 is a deficient number, since it is larger than the sum of its proper divisors (1).

739799989 is an equidigital number, since it uses as much as digits as its factorization.

739799989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69441624, while the sum is 70.

The square root of 739799989 is about 27199.2644937322. The cubic root of 739799989 is about 904.4226709641.

The spelling of 739799989 in words is "seven hundred thirty-nine million, seven hundred ninety-nine thousand, nine hundred eighty-nine".