281850042966 has 64 divisors (see below), whose sum is σ = 581330711808. Its totient is φ = 91048422528.

The previous prime is 281850042961. The next prime is 281850043039. The reversal of 281850042966 is 669240058182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281850042961) 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 in 31 ways as a sum of consecutive naturals, for example, 18950665 + ... + 18965531.

It is an arithmetic number, because the mean of its divisors is an integer number (9083292372).

Almost surely, 2^281850042966 is an apocalyptic number.

281850042966 is an abundant number, since it is smaller than the sum of its proper divisors (299480668842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281850042966 is a wasteful number, since it uses less digits than its factorization.

281850042966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 281850042966 in words is "two hundred eighty-one billion, eight hundred fifty million, forty-two thousand, nine hundred sixty-six".