689795395 has 4 divisors (see below), whose sum is σ = 827754480. Its totient is φ = 551836312.

The previous prime is 689795377. The next prime is 689795443. The reversal of 689795395 is 593597986.

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

It is a cyclic number.

It is not a de Polignac number, because 689795395 - 2⁹ = 689794883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68979535 + ... + 68979544.

It is an arithmetic number, because the mean of its divisors is an integer number (206938620).

Almost surely, 2^689795395 is an apocalyptic number.

689795395 is a deficient number, since it is larger than the sum of its proper divisors (137959085).

689795395 is a wasteful number, since it uses less digits than its factorization.

689795395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137959084.

The product of its digits is 18370800, while the sum is 61.

The square root of 689795395 is about 26263.9561947548. The cubic root of 689795395 is about 883.5682404402.

The spelling of 689795395 in words is "six hundred eighty-nine million, seven hundred ninety-five thousand, three hundred ninety-five".