689413158522 has 80 divisors (see below), whose sum is σ = 1685408500512. Its totient is φ = 208891219680.

The previous prime is 689413158481. The next prime is 689413158523. The reversal of 689413158522 is 225851314986.

689413158522 is a `hidden beast` number, since 6 + 8 + 9 + 4 + 1 + 31 + 585 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (689413158523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27549688 + ... + 27574700.

Almost surely, 2^689413158522 is an apocalyptic number.

689413158522 is an abundant number, since it is smaller than the sum of its proper divisors (995995341990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689413158522 is a wasteful number, since it uses less digits than its factorization.

689413158522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40505 (or 40496 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The spelling of 689413158522 in words is "six hundred eighty-nine billion, four hundred thirteen million, one hundred fifty-eight thousand, five hundred twenty-two".