769264649 has 4 divisors (see below), whose sum is σ = 770195664. Its totient is φ = 768333636.

The previous prime is 769264607. The next prime is 769264679. The reversal of 769264649 is 946462967.

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, and also an emirpimes, since its reverse is a distinct semiprime: 946462967 = 1231 ⋅768857.

It is a cyclic number.

It is not a de Polignac number, because 769264649 - 2⁸ = 769264393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 769264649.

It is not an unprimeable number, because it can be changed into a prime (769264679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464267 + ... + 465920.

It is an arithmetic number, because the mean of its divisors is an integer number (192548916).

Almost surely, 2^769264649 is an apocalyptic number.

It is an amenable number.

769264649 is a deficient number, since it is larger than the sum of its proper divisors (931015).

769264649 is an equidigital number, since it uses as much as digits as its factorization.

769264649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931014.

The product of its digits is 3919104, while the sum is 53.

The square root of 769264649 is about 27735.6205807622. The cubic root of 769264649 is about 916.2737787084.

The spelling of 769264649 in words is "seven hundred sixty-nine million, two hundred sixty-four thousand, six hundred forty-nine".