689893613436 has 48 divisors (see below), whose sum is σ = 1625841197568. Its totient is φ = 227666472000.

The previous prime is 689893613309. The next prime is 689893613531. The reversal of 689893613436 is 634316398986.

689893613436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18140401 + ... + 18178391.

It is an arithmetic number, because the mean of its divisors is an integer number (33871691616).

Almost surely, 2^689893613436 is an apocalyptic number.

It is an amenable number.

689893613436 is an abundant number, since it is smaller than the sum of its proper divisors (935947584132).

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

689893613436 is a wasteful number, since it uses less digits than its factorization.

689893613436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53082 (or 53080 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 66.

The spelling of 689893613436 in words is "six hundred eighty-nine billion, eight hundred ninety-three million, six hundred thirteen thousand, four hundred thirty-six".