84512632573 has 4 divisors (see below), whose sum is σ = 85898085628. Its totient is φ = 83127179520.

The previous prime is 84512632531. The next prime is 84512632579. The reversal of 84512632573 is 37523621548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1094484889 + 83418147684 = 33083^2 + 288822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84512632573 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 (84512632579) 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 3 ways as a sum of consecutive naturals, for example, 692726436 + ... + 692726557.

It is an arithmetic number, because the mean of its divisors is an integer number (21474521407).

Almost surely, 2^84512632573 is an apocalyptic number.

It is an amenable number.

84512632573 is a deficient number, since it is larger than the sum of its proper divisors (1385453055).

84512632573 is a wasteful number, since it uses less digits than its factorization.

84512632573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385453054.

The product of its digits is 1209600, while the sum is 46.

The spelling of 84512632573 in words is "eighty-four billion, five hundred twelve million, six hundred thirty-two thousand, five hundred seventy-three".