36505946868 has 24 divisors (see below), whose sum is σ = 87258118080. Its totient is φ = 11871852480.

The previous prime is 36505946833. The next prime is 36505946891. The reversal of 36505946868 is 86864950563.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37099048 + ... + 37100031.

It is an arithmetic number, because the mean of its divisors is an integer number (3635754920).

Almost surely, 2^36505946868 is an apocalyptic number.

It is an amenable number.

36505946868 is an abundant number, since it is smaller than the sum of its proper divisors (50752171212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36505946868 is a wasteful number, since it uses less digits than its factorization.

36505946868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74199127 (or 74199125 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 36505946868 in words is "thirty-six billion, five hundred five million, nine hundred forty-six thousand, eight hundred sixty-eight".