84645563603 has 4 divisors (see below), whose sum is σ = 84646161600. Its totient is φ = 84644965608.

The previous prime is 84645563599. The next prime is 84645563621. The reversal of 84645563603 is 30636554648.

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 84645563603 - 2² = 84645563599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84645563623) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 46073 + ... + 414021.

It is an arithmetic number, because the mean of its divisors is an integer number (21161540400).

Almost surely, 2^84645563603 is an apocalyptic number.

84645563603 is a deficient number, since it is larger than the sum of its proper divisors (597997).

84645563603 is a wasteful number, since it uses less digits than its factorization.

84645563603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597996.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 84645563603 in words is "eighty-four billion, six hundred forty-five million, five hundred sixty-three thousand, six hundred three".