680289534 has 12 divisors (see below), whose sum is σ = 1473960696. Its totient is φ = 226763172.

The previous prime is 680289517. The next prime is 680289551. The reversal of 680289534 is 435982086.

680289534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680289517) and next prime (680289551).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 680289534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18896914 + ... + 18896949.

It is an arithmetic number, because the mean of its divisors is an integer number (122830058).

Almost surely, 2^680289534 is an apocalyptic number.

680289534 is an abundant number, since it is smaller than the sum of its proper divisors (793671162).

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

680289534 is a wasteful number, since it uses less digits than its factorization.

680289534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37793871 (or 37793868 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 680289534 is about 26082.3605910201. The cubic root of 680289534 is about 879.4907237498.

The spelling of 680289534 in words is "six hundred eighty million, two hundred eighty-nine thousand, five hundred thirty-four".