769243499 has 2 divisors, whose sum is σ = 769243500. Its totient is φ = 769243498.

The previous prime is 769243463. The next prime is 769243507. The reversal of 769243499 is 994342967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 769243499 - 2²⁰ = 768194923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 769243499.

It is not a weakly prime, because it can be changed into another prime (769243199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384621749 + 384621750.

It is an arithmetic number, because the mean of its divisors is an integer number (384621750).

Almost surely, 2^769243499 is an apocalyptic number.

769243499 is a deficient number, since it is larger than the sum of its proper divisors (1).

769243499 is an equidigital number, since it uses as much as digits as its factorization.

769243499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 53.

The square root of 769243499 is about 27735.2392994905. The cubic root of 769243499 is about 916.2653813521.

The spelling of 769243499 in words is "seven hundred sixty-nine million, two hundred forty-three thousand, four hundred ninety-nine".