681456341119 has 2 divisors, whose sum is σ = 681456341120. Its totient is φ = 681456341118.

The previous prime is 681456341117. The next prime is 681456341213. The reversal of 681456341119 is 911143654186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 681456341119 - 2¹ = 681456341117 is a prime.

It is a super-2 number, since 2×681456341119² (a number of 24 digits) contains 22 as substring.

Together with 681456341117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (681456341117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340728170559 + 340728170560.

It is an arithmetic number, because the mean of its divisors is an integer number (340728170560).

Almost surely, 2^681456341119 is an apocalyptic number.

681456341119 is a deficient number, since it is larger than the sum of its proper divisors (1).

681456341119 is an equidigital number, since it uses as much as digits as its factorization.

681456341119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The spelling of 681456341119 in words is "six hundred eighty-one billion, four hundred fifty-six million, three hundred forty-one thousand, one hundred nineteen".