36437621563764 has 18 divisors (see below), whose sum is σ = 92106210064050. Its totient is φ = 12145873854576.

The previous prime is 36437621563747. The next prime is 36437621563787. The reversal of 36437621563764 is 46736512673463.

It is a happy number.

36437621563764 is a `hidden beast` number, since 3 + 6 + 4 + 3 + 7 + 6 + 2 + 1 + 563 + 7 + 64 = 666.

36437621563764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 19692666520164 + 16744955043600 = 4437642^2 + 4092060^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506078077239 + ... + 506078077310.

It is an arithmetic number, because the mean of its divisors is an integer number (5117011670225).

Almost surely, 2^{36437621563764} is an apocalyptic number.

It is an amenable number.

36437621563764 is an abundant number, since it is smaller than the sum of its proper divisors (55668588500286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36437621563764 is a wasteful number, since it uses less digits than its factorization.

36437621563764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012156154559 (or 1012156154554 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 63.

The spelling of 36437621563764 in words is "thirty-six trillion, four hundred thirty-seven billion, six hundred twenty-one million, five hundred sixty-three thousand, seven hundred sixty-four".