769069249 has 8 divisors (see below), whose sum is σ = 831848360. Its totient is φ = 706807296.

The previous prime is 769069219. The next prime is 769069261. The reversal of 769069249 is 942960967.

It can be written as a sum of positive squares in 4 ways, for example, as 266995600 + 502073649 = 16340^2 + 22407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 769069249 - 2⁷ = 769069121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 769069196 and 769069205.

It is not an unprimeable number, because it can be changed into a prime (769069219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126192 + ... + 132145.

It is an arithmetic number, because the mean of its divisors is an integer number (103981045).

Almost surely, 2^769069249 is an apocalyptic number.

It is an amenable number.

769069249 is a deficient number, since it is larger than the sum of its proper divisors (62779111).

769069249 is a wasteful number, since it uses less digits than its factorization.

769069249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258579.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 769069249 is about 27732.0978110204. The cubic root of 769069249 is about 916.1961916006.

The spelling of 769069249 in words is "seven hundred sixty-nine million, sixty-nine thousand, two hundred forty-nine".