81044350714 has 32 divisors (see below), whose sum is σ = 126804206592. Its totient is φ = 38804160000.

The previous prime is 81044350697. The next prime is 81044350781. The reversal of 81044350714 is 41705344018.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16635699 + ... + 16640569.

It is an arithmetic number, because the mean of its divisors is an integer number (3962631456).

Almost surely, 2^81044350714 is an apocalyptic number.

81044350714 is a deficient number, since it is larger than the sum of its proper divisors (45759855878).

81044350714 is a wasteful number, since it uses less digits than its factorization.

81044350714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 81044350714 in words is "eighty-one billion, forty-four million, three hundred fifty thousand, seven hundred fourteen".