36636717243 has 18 divisors (see below), whose sum is σ = 56827895796. Its totient is φ = 20933940888.

The previous prime is 36636717223. The next prime is 36636717253. The reversal of 36636717243 is 34271763663.

It is not a de Polignac number, because 36636717243 - 2⁶ = 36636717179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36636717192 and 36636717201.

It is not an unprimeable number, because it can be changed into a prime (36636717223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2312796 + ... + 2328582.

It is an arithmetic number, because the mean of its divisors is an integer number (3157105322).

Almost surely, 2^36636717243 is an apocalyptic number.

36636717243 is a deficient number, since it is larger than the sum of its proper divisors (20191178553).

36636717243 is an frugal number, since it uses more digits than its factorization.

36636717243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31591 (or 15797 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 48.

Multiplying 36636717243 by its sum of digits (48), we get a square (1758562427664 = 1326108²).

The spelling of 36636717243 in words is "thirty-six billion, six hundred thirty-six million, seven hundred seventeen thousand, two hundred forty-three".