36545056621 has 24 divisors (see below), whose sum is σ = 40250105280. Its totient is φ = 33060794112.

The previous prime is 36545056619. The next prime is 36545056631. The reversal of 36545056621 is 12665054563.

It is not a de Polignac number, because 36545056621 - 2¹ = 36545056619 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 (36545056631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1922200 + ... + 1941118.

It is an arithmetic number, because the mean of its divisors is an integer number (1677087720).

Almost surely, 2^36545056621 is an apocalyptic number.

It is an amenable number.

36545056621 is a deficient number, since it is larger than the sum of its proper divisors (3705048659).

36545056621 is a wasteful number, since it uses less digits than its factorization.

36545056621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19093 (or 19056 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 36545056621 in words is "thirty-six billion, five hundred forty-five million, fifty-six thousand, six hundred twenty-one".