36445035421 has 24 divisors (see below), whose sum is σ = 40826775680. Its totient is φ = 32436744192.

The previous prime is 36445035391. The next prime is 36445035443. The reversal of 36445035421 is 12453054463.

It is not a de Polignac number, because 36445035421 - 2⁷ = 36445035293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36445035481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3162556 + ... + 3174058.

Almost surely, 2^36445035421 is an apocalyptic number.

It is an amenable number.

36445035421 is a deficient number, since it is larger than the sum of its proper divisors (4381740259).

36445035421 is a wasteful number, since it uses less digits than its factorization.

36445035421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133 (or 12116 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 36445035421 its reverse (12453054463), we get a palindrome (48898089884).

The spelling of 36445035421 in words is "thirty-six billion, four hundred forty-five million, thirty-five thousand, four hundred twenty-one".