36213335565 has 64 divisors (see below), whose sum is σ = 65788084224. Its totient is φ = 16991304000.

The previous prime is 36213335539. The next prime is 36213335593. The reversal of 36213335565 is 56553331263.

It is a happy number.

It is not a de Polignac number, because 36213335565 - 2⁸ = 36213335309 is a prime.

It is a super-2 number, since 2×36213335565² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 589660 + ... + 648170.

It is an arithmetic number, because the mean of its divisors is an integer number (1027938816).

Almost surely, 2^36213335565 is an apocalyptic number.

It is an amenable number.

36213335565 is a deficient number, since it is larger than the sum of its proper divisors (29574748659).

36213335565 is a wasteful number, since it uses less digits than its factorization.

36213335565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58583 (or 58561 counting only the distinct ones).

The product of its digits is 729000, while the sum is 42.

The spelling of 36213335565 in words is "thirty-six billion, two hundred thirteen million, three hundred thirty-five thousand, five hundred sixty-five".