680140073473 has 16 divisors (see below), whose sum is σ = 795539869696. Its totient is φ = 569304968400.

The previous prime is 680140073461. The next prime is 680140073477. The reversal of 680140073473 is 374370041086.

It is not a de Polignac number, because 680140073473 - 2⁵ = 680140073441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680140073477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286998 + ... + 1736848.

It is an arithmetic number, because the mean of its divisors is an integer number (49721241856).

Almost surely, 2^680140073473 is an apocalyptic number.

It is an amenable number.

680140073473 is a deficient number, since it is larger than the sum of its proper divisors (115399796223).

680140073473 is a wasteful number, since it uses less digits than its factorization.

680140073473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454924.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 680140073473 in words is "six hundred eighty billion, one hundred forty million, seventy-three thousand, four hundred seventy-three".