680134670147 has 2 divisors, whose sum is σ = 680134670148. Its totient is φ = 680134670146.

The previous prime is 680134670051. The next prime is 680134670161. The reversal of 680134670147 is 741076431086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680134670147 is a prime.

It is not a weakly prime, because it can be changed into another prime (680134670177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340067335073 + 340067335074.

It is an arithmetic number, because the mean of its divisors is an integer number (340067335074).

Almost surely, 2^680134670147 is an apocalyptic number.

680134670147 is a deficient number, since it is larger than the sum of its proper divisors (1).

680134670147 is an equidigital number, since it uses as much as digits as its factorization.

680134670147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 680134670147 in words is "six hundred eighty billion, one hundred thirty-four million, six hundred seventy thousand, one hundred forty-seven".