769540339 has 2 divisors, whose sum is σ = 769540340. Its totient is φ = 769540338.

The previous prime is 769540333. The next prime is 769540349. The reversal of 769540339 is 933045967.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 769540339 - 2⁵ = 769540307 is a prime.

It is not a weakly prime, because it can be changed into another prime (769540333) 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, 384770169 + 384770170.

It is an arithmetic number, because the mean of its divisors is an integer number (384770170).

Almost surely, 2^769540339 is an apocalyptic number.

769540339 is a deficient number, since it is larger than the sum of its proper divisors (1).

769540339 is an equidigital number, since it uses as much as digits as its factorization.

769540339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 769540339 is about 27740.5900982658. The cubic root of 769540339 is about 916.3832240719.

The spelling of 769540339 in words is "seven hundred sixty-nine million, five hundred forty thousand, three hundred thirty-nine".