281396664083 has 2 divisors, whose sum is σ = 281396664084. Its totient is φ = 281396664082.

The previous prime is 281396664067. The next prime is 281396664161. The reversal of 281396664083 is 380466693182.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 281396664083 - 2⁴ = 281396664067 is a prime.

It is not a weakly prime, because it can be changed into another prime (281396664053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140698332041 + 140698332042.

It is an arithmetic number, because the mean of its divisors is an integer number (140698332042).

Almost surely, 2^281396664083 is an apocalyptic number.

281396664083 is a deficient number, since it is larger than the sum of its proper divisors (1).

281396664083 is an equidigital number, since it uses as much as digits as its factorization.

281396664083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 281396664083 in words is "two hundred eighty-one billion, three hundred ninety-six million, six hundred sixty-four thousand, eighty-three".