36534643563 has 96 divisors (see below), whose sum is σ = 58859288320. Its totient is φ = 20066745600.

The previous prime is 36534643513. The next prime is 36534643589.

It is a happy number.

36534643563 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 36534643563 - 2¹⁴ = 36534627179 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (36534643513) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15565356 + ... + 15567702.

Almost surely, 2^36534643563 is an apocalyptic number.

36534643563 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

36534643563 is a deficient number, since it is larger than the sum of its proper divisors (22324644757).

36534643563 is a wasteful number, since it uses less digits than its factorization.

36534643563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2478 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 48.

The spelling of 36534643563 in words is "thirty-six billion, five hundred thirty-four million, six hundred forty-three thousand, five hundred sixty-three".