36573837563 has 4 divisors (see below), whose sum is σ = 36576282288. Its totient is φ = 36571392840.

The previous prime is 36573837539. The next prime is 36573837611.

It is a happy number.

36573837563 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36573837563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36573837499 and 36573837508.

It is not an unprimeable number, because it can be changed into a prime (36573837163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199783 + ... + 1229888.

It is an arithmetic number, because the mean of its divisors is an integer number (9144070572).

Almost surely, 2^36573837563 is an apocalyptic number.

36573837563 is a deficient number, since it is larger than the sum of its proper divisors (2444725).

36573837563 is a wasteful number, since it uses less digits than its factorization.

36573837563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444724.

The product of its digits is 28576800, while the sum is 56.

The spelling of 36573837563 in words is "thirty-six billion, five hundred seventy-three million, eight hundred thirty-seven thousand, five hundred sixty-three".