281345093863 has 2 divisors, whose sum is σ = 281345093864. Its totient is φ = 281345093862.

The previous prime is 281345093849. The next prime is 281345093903. The reversal of 281345093863 is 368390543182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-281345093863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 281345093863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281345093563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140672546931 + 140672546932.

It is an arithmetic number, because the mean of its divisors is an integer number (140672546932).

Almost surely, 2^281345093863 is an apocalyptic number.

281345093863 is a deficient number, since it is larger than the sum of its proper divisors (1).

281345093863 is an equidigital number, since it uses as much as digits as its factorization.

281345093863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 281345093863 in words is "two hundred eighty-one billion, three hundred forty-five million, ninety-three thousand, eight hundred sixty-three".