36833921891 has 8 divisors (see below), whose sum is σ = 39771968880. Its totient is φ = 33910827552.

The previous prime is 36833921869. The next prime is 36833921897. The reversal of 36833921891 is 19812933863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36833921891 - 2³⁴ = 19654052707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36833921897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3733040 + ... + 3742893.

It is an arithmetic number, because the mean of its divisors is an integer number (4971496110).

Almost surely, 2^36833921891 is an apocalyptic number.

36833921891 is a deficient number, since it is larger than the sum of its proper divisors (2938046989).

36833921891 is a wasteful number, since it uses less digits than its factorization.

36833921891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476325.

The product of its digits is 1679616, while the sum is 53.

The spelling of 36833921891 in words is "thirty-six billion, eight hundred thirty-three million, nine hundred twenty-one thousand, eight hundred ninety-one".