36723890033521 has 4 divisors (see below), whose sum is σ = 36723916130544. Its totient is φ = 36723863936500.

The previous prime is 36723890033503. The next prime is 36723890033533. The reversal of 36723890033521 is 12533009832763.

36723890033521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 36723890033521 - 2¹⁷ = 36723889902449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36723890033581) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10809655 + ... + 13794796.

It is an arithmetic number, because the mean of its divisors is an integer number (9180979032636).

Almost surely, 2^{36723890033521} is an apocalyptic number.

It is an amenable number.

36723890033521 is a deficient number, since it is larger than the sum of its proper divisors (26097023).

36723890033521 is a wasteful number, since it uses less digits than its factorization.

36723890033521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26097022.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 36723890033521 in words is "thirty-six trillion, seven hundred twenty-three billion, eight hundred ninety million, thirty-three thousand, five hundred twenty-one".