681100381183 has 2 divisors, whose sum is σ = 681100381184. Its totient is φ = 681100381182.

The previous prime is 681100381079. The next prime is 681100381211. The reversal of 681100381183 is 381183001186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 681100381183 - 2²⁵ = 681066826751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (681100381583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340550190591 + 340550190592.

It is an arithmetic number, because the mean of its divisors is an integer number (340550190592).

Almost surely, 2^681100381183 is an apocalyptic number.

681100381183 is a deficient number, since it is larger than the sum of its proper divisors (1).

681100381183 is an equidigital number, since it uses as much as digits as its factorization.

681100381183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 681100381183 in words is "six hundred eighty-one billion, one hundred million, three hundred eighty-one thousand, one hundred eighty-three".