36537673563 has 16 divisors (see below), whose sum is σ = 54815078400. Its totient is φ = 24050112840.

The previous prime is 36537673547. The next prime is 36537673597.

36537673563 is a `hidden beast` number, since 3 + 6 + 5 + 3 + 7 + 6 + 73 + 563 = 666.

36537673563 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 36537673563 - 2⁴ = 36537673547 is a prime.

It is a super-3 number, since 3×36537673563³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (36537663563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8562723 + ... + 8566988.

It is an arithmetic number, because the mean of its divisors is an integer number (3425942400).

Almost surely, 2^36537673563 is an apocalyptic number.

36537673563 is a deficient number, since it is larger than the sum of its proper divisors (18277404837).

36537673563 is a wasteful number, since it uses less digits than its factorization.

36537673563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17129799 (or 17129793 counting only the distinct ones).

The product of its digits is 21432600, while the sum is 54.

The spelling of 36537673563 in words is "thirty-six billion, five hundred thirty-seven million, six hundred seventy-three thousand, five hundred sixty-three".