36421893549 has 12 divisors (see below), whose sum is σ = 52827701212. Its totient is φ = 24180508800.

The previous prime is 36421893503. The next prime is 36421893553. The reversal of 36421893549 is 94539812463.

36421893549 is a `hidden beast` number, since 3 + 6 + 4 + 2 + 1 + 8 + 93 + 549 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27438266025 + 8983627524 = 165645^2 + 94782^2 .

It is not a de Polignac number, because 36421893549 - 2⁸ = 36421893293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36421893495 and 36421893504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36421893569) 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 11 ways as a sum of consecutive naturals, for example, 8393842 + ... + 8398179.

Almost surely, 2^36421893549 is an apocalyptic number.

It is an amenable number.

36421893549 is a deficient number, since it is larger than the sum of its proper divisors (16405807663).

36421893549 is a wasteful number, since it uses less digits than its factorization.

36421893549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16792268 (or 16792265 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 36421893549 in words is "thirty-six billion, four hundred twenty-one million, eight hundred ninety-three thousand, five hundred forty-nine".