36845808722 has 6 divisors (see below), whose sum is σ = 55269120279. Its totient is φ = 18422768630.

The previous prime is 36845808707. The next prime is 36845808731. The reversal of 36845808722 is 22780854863.

It can be written as a sum of positive squares in only one way, i.e., 18422904361 + 18422904361 = 135731^2 + 135731^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=135731.

It is a super-2 number, since 2×36845808722² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 203597 + ... + 339327.

Almost surely, 2^36845808722 is an apocalyptic number.

36845808722 is a deficient number, since it is larger than the sum of its proper divisors (18423311557).

36845808722 is an frugal number, since it uses more digits than its factorization.

36845808722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271464 (or 135733 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 36845808722 in words is "thirty-six billion, eight hundred forty-five million, eight hundred eight thousand, seven hundred twenty-two".