689574658830 has 16 divisors (see below), whose sum is σ = 1654979181264. Its totient is φ = 183886575680.

The previous prime is 689574658811. The next prime is 689574658831. The reversal of 689574658830 is 38856475986.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689574658831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11492910951 + ... + 11492911010.

It is an arithmetic number, because the mean of its divisors is an integer number (103436198829).

Almost surely, 2^689574658830 is an apocalyptic number.

689574658830 is an abundant number, since it is smaller than the sum of its proper divisors (965404522434).

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

689574658830 is a wasteful number, since it uses less digits than its factorization.

689574658830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22985821971.

The product of its (nonzero) digits is 348364800, while the sum is 69.

The spelling of 689574658830 in words is "six hundred eighty-nine billion, five hundred seventy-four million, six hundred fifty-eight thousand, eight hundred thirty".