682686630427 has 2 divisors, whose sum is σ = 682686630428. Its totient is φ = 682686630426.

The previous prime is 682686630419. The next prime is 682686630449. The reversal of 682686630427 is 724036686286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682686630427 - 2³ = 682686630419 is a prime.

It is a super-2 number, since 2×682686630427² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (682686636427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341343315213 + 341343315214.

It is an arithmetic number, because the mean of its divisors is an integer number (341343315214).

Almost surely, 2^682686630427 is an apocalyptic number.

682686630427 is a deficient number, since it is larger than the sum of its proper divisors (1).

682686630427 is an equidigital number, since it uses as much as digits as its factorization.

682686630427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 682686630427 in words is "six hundred eighty-two billion, six hundred eighty-six million, six hundred thirty thousand, four hundred twenty-seven".