689511363 has 8 divisors (see below), whose sum is σ = 923164176. Its totient is φ = 457766400.

The previous prime is 689511359. The next prime is 689511371. The reversal of 689511363 is 363115986.

It is a happy number.

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

It is not a de Polignac number, because 689511363 - 2² = 689511359 is a prime.

It is a super-2 number, since 2×689511363² = 950851839412235538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (689510363) 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, 476118 + ... + 477563.

It is an arithmetic number, because the mean of its divisors is an integer number (115395522).

Almost surely, 2^689511363 is an apocalyptic number.

689511363 is a deficient number, since it is larger than the sum of its proper divisors (233652813).

689511363 is a wasteful number, since it uses less digits than its factorization.

689511363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953925.

The product of its digits is 116640, while the sum is 42.

The square root of 689511363 is about 26258.5483795278. The cubic root of 689511363 is about 883.4469503158.

The spelling of 689511363 in words is "six hundred eighty-nine million, five hundred eleven thousand, three hundred sixty-three".