36561454443 has 6 divisors (see below), whose sum is σ = 52810989764. Its totient is φ = 24374302956.

The previous prime is 36561454427. The next prime is 36561454487. The reversal of 36561454443 is 34445416563.

36561454443 is a `hidden beast` number, since 3 + 6 + 5 + 61 + 4 + 544 + 43 = 666.

It is not a de Polignac number, because 36561454443 - 2⁴ = 36561454427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36561452443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2031191905 + ... + 2031191922.

Almost surely, 2^36561454443 is an apocalyptic number.

36561454443 is a deficient number, since it is larger than the sum of its proper divisors (16249535321).

36561454443 is a wasteful number, since it uses less digits than its factorization.

36561454443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062383833 (or 4062383830 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 36561454443 in words is "thirty-six billion, five hundred sixty-one million, four hundred fifty-four thousand, four hundred forty-three".