10281994867 has 2 divisors, whose sum is σ = 10281994868. Its totient is φ = 10281994866.

The previous prime is 10281994847. The next prime is 10281994871. The reversal of 10281994867 is 76849918201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10281994867 - 2¹⁵ = 10281962099 is a prime.

It is not a weakly prime, because it can be changed into another prime (10281994847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5140997433 + 5140997434.

It is an arithmetic number, because the mean of its divisors is an integer number (5140997434).

Almost surely, 2^10281994867 is an apocalyptic number.

10281994867 is a deficient number, since it is larger than the sum of its proper divisors (1).

10281994867 is an equidigital number, since it uses as much as digits as its factorization.

10281994867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 10281994867 in words is "ten billion, two hundred eighty-one million, nine hundred ninety-four thousand, eight hundred sixty-seven".