36563131072645 has 4 divisors (see below), whose sum is σ = 43875757287180. Its totient is φ = 29250504858112.

The previous prime is 36563131072627. The next prime is 36563131072681. The reversal of 36563131072645 is 54627013136563.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11235997856196 + 25327133216449 = 3352014^2 + 5032607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36563131072645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36563131072592 and 36563131072601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3656313107260 + ... + 3656313107269.

It is an arithmetic number, because the mean of its divisors is an integer number (10968939321795).

Almost surely, 2^{36563131072645} is an apocalyptic number.

It is an amenable number.

36563131072645 is a deficient number, since it is larger than the sum of its proper divisors (7312626214535).

36563131072645 is an equidigital number, since it uses as much as digits as its factorization.

36563131072645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312626214534.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 36563131072645 in words is "thirty-six trillion, five hundred sixty-three billion, one hundred thirty-one million, seventy-two thousand, six hundred forty-five".