769699849 has 2 divisors, whose sum is σ = 769699850. Its totient is φ = 769699848.

The previous prime is 769699841. The next prime is 769699859. The reversal of 769699849 is 948996967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560174224 + 209525625 = 23668^2 + 14475^2 .

It is a cyclic number.

It is not a de Polignac number, because 769699849 - 2³ = 769699841 is a prime.

It is not a weakly prime, because it can be changed into another prime (769699841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384849924 + 384849925.

It is an arithmetic number, because the mean of its divisors is an integer number (384849925).

Almost surely, 2^769699849 is an apocalyptic number.

It is an amenable number.

769699849 is a deficient number, since it is larger than the sum of its proper divisors (1).

769699849 is an equidigital number, since it uses as much as digits as its factorization.

769699849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52907904, while the sum is 67.

The square root of 769699849 is about 27743.4649782611. The cubic root of 769699849 is about 916.4465355416.

The spelling of 769699849 in words is "seven hundred sixty-nine million, six hundred ninety-nine thousand, eight hundred forty-nine".