36645854663 has 8 divisors (see below), whose sum is σ = 40307688336. Its totient is φ = 33314412120.

The previous prime is 36645854647. The next prime is 36645854711.

36645854663 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 36645854663 - 2⁴ = 36645854647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36645854599 and 36645854608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36645850663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13764956 + ... + 13767617.

It is an arithmetic number, because the mean of its divisors is an integer number (5038461042).

Almost surely, 2^36645854663 is an apocalyptic number.

36645854663 is a deficient number, since it is larger than the sum of its proper divisors (3661833673).

36645854663 is an equidigital number, since it uses as much as digits as its factorization.

36645854663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27532606 (or 27532584 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 56.

The spelling of 36645854663 in words is "thirty-six billion, six hundred forty-five million, eight hundred fifty-four thousand, six hundred sixty-three".