36433113021 has 12 divisors (see below), whose sum is σ = 52712313472. Its totient is φ = 24248723976.

The previous prime is 36433112939. The next prime is 36433113091. The reversal of 36433113021 is 12031133463.

36433113021 is a `hidden beast` number, since 3 + 6 + 43 + 311 + 302 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-36433113021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36433113091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3329071 + ... + 3339996.

Almost surely, 2^36433113021 is an apocalyptic number.

It is an amenable number.

36433113021 is a deficient number, since it is larger than the sum of its proper divisors (16279200451).

36433113021 is a wasteful number, since it uses less digits than its factorization.

36433113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669680 (or 6669677 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 36433113021 its reverse (12031133463), we get a palindrome (48464246484).

The spelling of 36433113021 in words is "thirty-six billion, four hundred thirty-three million, one hundred thirteen thousand, twenty-one".