689319363 has 16 divisors (see below), whose sum is σ = 940759040. Its totient is φ = 448835904.

The previous prime is 689319331. The next prime is 689319403. The reversal of 689319363 is 363913986.

It is a happy number.

It is not a de Polignac number, because 689319363 - 2⁵ = 689319331 is a prime.

It is a super-2 number, since 2×689319363² = 950322368413451538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689319263) 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, 7278 + ... + 37836.

It is an arithmetic number, because the mean of its divisors is an integer number (58797440).

Almost surely, 2^689319363 is an apocalyptic number.

689319363 is a deficient number, since it is larger than the sum of its proper divisors (251439677).

689319363 is a wasteful number, since it uses less digits than its factorization.

689319363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30738.

The product of its digits is 629856, while the sum is 48.

The square root of 689319363 is about 26254.8921726980. The cubic root of 689319363 is about 883.3649417272.

The spelling of 689319363 in words is "six hundred eighty-nine million, three hundred nineteen thousand, three hundred sixty-three".