81456950483 has 4 divisors (see below), whose sum is σ = 81457521360. Its totient is φ = 81456379608.

The previous prime is 81456950467. The next prime is 81456950591. The reversal of 81456950483 is 38405965418.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 81456950483 - 2⁴ = 81456950467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81456950983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136373 + ... + 426041.

It is an arithmetic number, because the mean of its divisors is an integer number (20364380340).

Almost surely, 2^81456950483 is an apocalyptic number.

81456950483 is a deficient number, since it is larger than the sum of its proper divisors (570877).

81456950483 is a wasteful number, since it uses less digits than its factorization.

81456950483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570876.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 81456950483 in words is "eighty-one billion, four hundred fifty-six million, nine hundred fifty thousand, four hundred eighty-three".