769546913 has 2 divisors, whose sum is σ = 769546914. Its totient is φ = 769546912.

The previous prime is 769546891. The next prime is 769546931. The reversal of 769546913 is 319645967.

Together with next prime (769546931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768786529 + 760384 = 27727^2 + 872^2 .

It is an emirp because it is prime and its reverse (319645967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769546913 - 2⁶ = 769546849 is a prime.

It is not a weakly prime, because it can be changed into another prime (769546013) 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, 384773456 + 384773457.

It is an arithmetic number, because the mean of its divisors is an integer number (384773457).

Almost surely, 2^769546913 is an apocalyptic number.

It is an amenable number.

769546913 is a deficient number, since it is larger than the sum of its proper divisors (1).

769546913 is an equidigital number, since it uses as much as digits as its factorization.

769546913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 769546913 is about 27740.7085886428. The cubic root of 769546913 is about 916.3858335457.

The spelling of 769546913 in words is "seven hundred sixty-nine million, five hundred forty-six thousand, nine hundred thirteen".