680215313534 has 24 divisors (see below), whose sum is σ = 1086522930480. Its totient is φ = 319318569216.

The previous prime is 680215313521. The next prime is 680215313581. The reversal of 680215313534 is 435313512086.

It is a junction number, because it is equal to n+sod(n) for n = 680215313491 and 680215313500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1202282 + ... + 1675085.

It is an arithmetic number, because the mean of its divisors is an integer number (45271788770).

Almost surely, 2^680215313534 is an apocalyptic number.

680215313534 is a deficient number, since it is larger than the sum of its proper divisors (406307616946).

680215313534 is a wasteful number, since it uses less digits than its factorization.

680215313534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877812 (or 2877795 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 680215313534 in words is "six hundred eighty billion, two hundred fifteen million, three hundred thirteen thousand, five hundred thirty-four".