94468681 has 2 divisors, whose sum is σ = 94468682. Its totient is φ = 94468680.

The previous prime is 94468679. The next prime is 94468729. The reversal of 94468681 is 18686449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50126400 + 44342281 = 7080^2 + 6659^2 .

It is an emirp because it is prime and its reverse (18686449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94468681 - 2¹ = 94468679 is a prime.

It is a super-2 number, since 2×94468681² = 17848663379759522, which contains 22 as substring.

Together with 94468679, it forms a pair of twin primes.

It is the 9720-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (94468601) by changing a digit.

It is a nontrivial repunit in base 9719.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47234340 + 47234341.

It is an arithmetic number, because the mean of its divisors is an integer number (47234341).

Almost surely, 2^94468681 is an apocalyptic number.

It is an amenable number.

94468681 is a deficient number, since it is larger than the sum of its proper divisors (1).

94468681 is an equidigital number, since it uses as much as digits as its factorization.

94468681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The square root of 94468681 is about 9719.5000385822. The cubic root of 94468681 is about 455.4380212109.

The spelling of 94468681 in words is "ninety-four million, four hundred sixty-eight thousand, six hundred eighty-one".