769401064769 has 4 divisors (see below), whose sum is σ = 769409243844. Its totient is φ = 769392885696.

The previous prime is 769401064759. The next prime is 769401064793. The reversal of 769401064769 is 967460104967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 679449058369 + 89952006400 = 824287^2 + 299920^2 .

It is a cyclic number.

It is not a de Polignac number, because 769401064769 - 2⁸ = 769401064513 is a prime.

It is a super-2 number, since 2×769401064769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (769401064709) 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 in 3 ways as a sum of consecutive naturals, for example, 3946772 + ... + 4137125.

It is an arithmetic number, because the mean of its divisors is an integer number (192352310961).

Almost surely, 2^769401064769 is an apocalyptic number.

It is an amenable number.

769401064769 is a deficient number, since it is larger than the sum of its proper divisors (8179075).

769401064769 is an equidigital number, since it uses as much as digits as its factorization.

769401064769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179074.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 769401064769 in words is "seven hundred sixty-nine billion, four hundred one million, sixty-four thousand, seven hundred sixty-nine".