769445069 has 4 divisors (see below), whose sum is σ = 779184960. Its totient is φ = 759705180.

The previous prime is 769445063. The next prime is 769445093. The reversal of 769445069 is 960544967.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 769445069 - 2²⁰ = 768396493 is a prime.

It is a super-2 number, since 2×769445069² = 1184091428416829522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769445063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4869827 + ... + 4869984.

It is an arithmetic number, because the mean of its divisors is an integer number (194796240).

Almost surely, 2^769445069 is an apocalyptic number.

769445069 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

769445069 is a deficient number, since it is larger than the sum of its proper divisors (9739891).

769445069 is an equidigital number, since it uses as much as digits as its factorization.

769445069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739890.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 769445069 is about 27738.8728862584. The cubic root of 769445069 is about 916.3454060705.

The spelling of 769445069 in words is "seven hundred sixty-nine million, four hundred forty-five thousand, sixty-nine".