680190539 has 4 divisors (see below), whose sum is σ = 777360624. Its totient is φ = 583020456.

The previous prime is 680190529. The next prime is 680190559. The reversal of 680190539 is 935091086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680190539 - 2¹² = 680186443 is a prime.

It is a super-2 number, since 2×680190539² = 925318338690221042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680190496 and 680190505.

It is not an unprimeable number, because it can be changed into a prime (680190509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48585032 + ... + 48585045.

It is an arithmetic number, because the mean of its divisors is an integer number (194340156).

Almost surely, 2^680190539 is an apocalyptic number.

680190539 is a deficient number, since it is larger than the sum of its proper divisors (97170085).

680190539 is an equidigital number, since it uses as much as digits as its factorization.

680190539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97170084.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 680190539 is about 26080.4627834707. The cubic root of 680190539 is about 879.4480608328.

The spelling of 680190539 in words is "six hundred eighty million, one hundred ninety thousand, five hundred thirty-nine".