794043400681 has 2 divisors, whose sum is σ = 794043400682. Its totient is φ = 794043400680.

The previous prime is 794043400649. The next prime is 794043400741. The reversal of 794043400681 is 186004340497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794043170281 + 230400 = 891091^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 794043400681 - 2⁵ = 794043400649 is a prime.

It is a super-2 number, since 2×794043400681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (794043400481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397021700340 + 397021700341.

It is an arithmetic number, because the mean of its divisors is an integer number (397021700341).

Almost surely, 2^794043400681 is an apocalyptic number.

It is an amenable number.

794043400681 is a deficient number, since it is larger than the sum of its proper divisors (1).

794043400681 is an equidigital number, since it uses as much as digits as its factorization.

794043400681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 794043400681 in words is "seven hundred ninety-four billion, forty-three million, four hundred thousand, six hundred eighty-one".