81430114368 has 28 divisors (see below), whose sum is σ = 215450511440. Its totient is φ = 27143371392.

The previous prime is 81430114343. The next prime is 81430114397. The reversal of 81430114368 is 86341103418.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212057398 + ... + 212057781.

Almost surely, 2^81430114368 is an apocalyptic number.

It is an amenable number.

81430114368 is an abundant number, since it is smaller than the sum of its proper divisors (134020397072).

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

81430114368 is a wasteful number, since it uses less digits than its factorization.

81430114368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424115194 (or 424115184 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 81430114368 in words is "eighty-one billion, four hundred thirty million, one hundred fourteen thousand, three hundred sixty-eight".