81833101473 has 8 divisors (see below), whose sum is σ = 109114020736. Its totient is φ = 54553791600.

The previous prime is 81833101463. The next prime is 81833101577. The reversal of 81833101473 is 37410133818.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 81833101473 - 2²⁴ = 81816324257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81833101463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278233 + ... + 490998.

It is an arithmetic number, because the mean of its divisors is an integer number (13639252592).

Almost surely, 2^81833101473 is an apocalyptic number.

It is an amenable number.

81833101473 is a deficient number, since it is larger than the sum of its proper divisors (27280919263).

81833101473 is a wasteful number, since it uses less digits than its factorization.

81833101473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804695.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 81833101473 in words is "eighty-one billion, eight hundred thirty-three million, one hundred one thousand, four hundred seventy-three".