36544026641 has 4 divisors (see below), whose sum is σ = 36544617984. Its totient is φ = 36543435300.

The previous prime is 36544026619. The next prime is 36544026647. The reversal of 36544026641 is 14662044563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14662044563 = 41 ⋅357610843.

It is a cyclic number.

It is not a de Polignac number, because 36544026641 - 2¹⁴ = 36544010257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36544026647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190505 + ... + 330726.

It is an arithmetic number, because the mean of its divisors is an integer number (9136154496).

Almost surely, 2^36544026641 is an apocalyptic number.

It is an amenable number.

36544026641 is a deficient number, since it is larger than the sum of its proper divisors (591343).

36544026641 is an equidigital number, since it uses as much as digits as its factorization.

36544026641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591342.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 36544026641 in words is "thirty-six billion, five hundred forty-four million, twenty-six thousand, six hundred forty-one".