769425993 has 16 divisors (see below), whose sum is σ = 1302732160. Its totient is φ = 439671888.

The previous prime is 769425973. The next prime is 769425997. The reversal of 769425993 is 399524967.

769425993 is a `hidden beast` number, since 7 + 6 + 9 + 42 + 599 + 3 = 666.

It is not a de Polignac number, because 769425993 - 2⁶ = 769425929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769425997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035330 + ... + 2035707.

It is an arithmetic number, because the mean of its divisors is an integer number (81420760).

Almost surely, 2^769425993 is an apocalyptic number.

It is an amenable number.

769425993 is a deficient number, since it is larger than the sum of its proper divisors (533306167).

769425993 is a wasteful number, since it uses less digits than its factorization.

769425993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071053 (or 4071047 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 769425993 is about 27738.5290345397. The cubic root of 769425993 is about 916.3378333621.

The spelling of 769425993 in words is "seven hundred sixty-nine million, four hundred twenty-five thousand, nine hundred ninety-three".