36444773546 has 4 divisors (see below), whose sum is σ = 54667160322. Its totient is φ = 18222386772.

The previous prime is 36444773509. The next prime is 36444773557. The reversal of 36444773546 is 64537744463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64537744463 = 22433 ⋅2876911.

It can be written as a sum of positive squares in only one way, i.e., 34424720521 + 2020053025 = 185539^2 + 44945^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9111193385 + ... + 9111193388.

Almost surely, 2^36444773546 is an apocalyptic number.

36444773546 is a deficient number, since it is larger than the sum of its proper divisors (18222386776).

36444773546 is a wasteful number, since it uses less digits than its factorization.

36444773546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18222386775.

The product of its digits is 20321280, while the sum is 53.

The spelling of 36444773546 in words is "thirty-six billion, four hundred forty-four million, seven hundred seventy-three thousand, five hundred forty-six".