81429101463 has 16 divisors (see below), whose sum is σ = 110127845376. Its totient is φ = 53508581280.

The previous prime is 81429101393. The next prime is 81429101497. The reversal of 81429101463 is 36410192418.

It is not a de Polignac number, because 81429101463 - 2¹⁰ = 81429100439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81429101063) by changing a digit.

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, 884170 + ... + 971912.

It is an arithmetic number, because the mean of its divisors is an integer number (6882990336).

Almost surely, 2^81429101463 is an apocalyptic number.

81429101463 is a deficient number, since it is larger than the sum of its proper divisors (28698743913).

81429101463 is a wasteful number, since it uses less digits than its factorization.

81429101463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92174.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 81429101463 in words is "eighty-one billion, four hundred twenty-nine million, one hundred one thousand, four hundred sixty-three".