36189054721 has 16 divisors (see below), whose sum is σ = 36560160000. Its totient is φ = 35820606976.

The previous prime is 36189054677. The next prime is 36189054743. The reversal of 36189054721 is 12745098163.

It is a cyclic number.

It is not a de Polignac number, because 36189054721 - 2⁷ = 36189054593 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36189051721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38954385 + ... + 38955313.

It is an arithmetic number, because the mean of its divisors is an integer number (2285010000).

It is a 1-persistent number, because it is pandigital, but 2⋅36189054721 = 72378109442 is not.

Almost surely, 2^36189054721 is an apocalyptic number.

It is an amenable number.

36189054721 is a deficient number, since it is larger than the sum of its proper divisors (371105279).

36189054721 is a wasteful number, since it uses less digits than its factorization.

36189054721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 36189054721 in words is "thirty-six billion, one hundred eighty-nine million, fifty-four thousand, seven hundred twenty-one".