769699841 has 2 divisors, whose sum is σ = 769699842. Its totient is φ = 769699840.

The previous prime is 769699829. The next prime is 769699849. The reversal of 769699841 is 148996967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590247025 + 179452816 = 24295^2 + 13396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769699841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (769699849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384849920 + 384849921.

It is an arithmetic number, because the mean of its divisors is an integer number (384849921).

Almost surely, 2^769699841 is an apocalyptic number.

It is an amenable number.

769699841 is a deficient number, since it is larger than the sum of its proper divisors (1).

769699841 is an equidigital number, since it uses as much as digits as its factorization.

769699841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The square root of 769699841 is about 27743.4648340830. The cubic root of 769699841 is about 916.4465323666.

The spelling of 769699841 in words is "seven hundred sixty-nine million, six hundred ninety-nine thousand, eight hundred forty-one".