73548444518 has 4 divisors (see below), whose sum is σ = 110322666780. Its totient is φ = 36774222258.

The previous prime is 73548444509. The next prime is 73548444577. The reversal of 73548444518 is 81544484537.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81544484537 = 241 ⋅338358857.

It is a self number, because there is not a number n which added to its sum of digits gives 73548444518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18387111128 + ... + 18387111131.

It is an arithmetic number, because the mean of its divisors is an integer number (27580666695).

Almost surely, 2^73548444518 is an apocalyptic number.

73548444518 is a deficient number, since it is larger than the sum of its proper divisors (36774222262).

73548444518 is a wasteful number, since it uses less digits than its factorization.

73548444518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36774222261.

The product of its digits is 8601600, while the sum is 53.

The spelling of 73548444518 in words is "seventy-three billion, five hundred forty-eight million, four hundred forty-four thousand, five hundred eighteen".