680937271633 has 4 divisors (see below), whose sum is σ = 681026372208. Its totient is φ = 680848171060.

The previous prime is 680937271601. The next prime is 680937271643. The reversal of 680937271633 is 336172739086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680937271633 - 2⁵ = 680937271601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680937271643) 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 3 ways as a sum of consecutive naturals, for example, 44538823 + ... + 44554108.

It is an arithmetic number, because the mean of its divisors is an integer number (170256593052).

Almost surely, 2^680937271633 is an apocalyptic number.

It is an amenable number.

680937271633 is a deficient number, since it is larger than the sum of its proper divisors (89100575).

680937271633 is an equidigital number, since it uses as much as digits as its factorization.

680937271633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89100574.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 680937271633 in words is "six hundred eighty billion, nine hundred thirty-seven million, two hundred seventy-one thousand, six hundred thirty-three".