36536487989765 has 8 divisors (see below), whose sum is σ = 43844129224728. Its totient is φ = 29228961300480.

The previous prime is 36536487989741. The next prime is 36536487989779. The reversal of 36536487989765 is 56798978463563.

It is a Cunningham number, because it is equal to 6044542²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2973479486884 + 33563008502881 = 1724378^2 + 5793359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36536487989765 - 2³⁸ = 36261610082821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27933116 + ... + 29211845.

It is an arithmetic number, because the mean of its divisors is an integer number (5480516153091).

Almost surely, 2^{36536487989765} is an apocalyptic number.

It is an amenable number.

36536487989765 is a deficient number, since it is larger than the sum of its proper divisors (7307641234963).

36536487989765 is a wasteful number, since it uses less digits than its factorization.

36536487989765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57272839.

The product of its digits is 49380710400, while the sum is 86.

The spelling of 36536487989765 in words is "thirty-six trillion, five hundred thirty-six billion, four hundred eighty-seven million, nine hundred eighty-nine thousand, seven hundred sixty-five".