73545453265543 has 16 divisors (see below), whose sum is σ = 84818487951360. Its totient is φ = 62465281050816.

The previous prime is 73545453265409. The next prime is 73545453265553. The reversal of 73545453265543 is 34556235454537.

It is a de Polignac number, because none of the positive numbers 2^k-73545453265543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73545453265553) 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, 50410771 + ... + 51849172.

It is an arithmetic number, because the mean of its divisors is an integer number (5301155496960).

Almost surely, 2^{73545453265543} is an apocalyptic number.

73545453265543 is a deficient number, since it is larger than the sum of its proper divisors (11273034685817).

73545453265543 is a wasteful number, since it uses less digits than its factorization.

73545453265543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102260886.

The product of its digits is 453600000, while the sum is 61.

The spelling of 73545453265543 in words is "seventy-three trillion, five hundred forty-five billion, four hundred fifty-three million, two hundred sixty-five thousand, five hundred forty-three".