36351681893 has 32 divisors (see below), whose sum is σ = 40939468416. Its totient is φ = 32120782848.

The previous prime is 36351681887. The next prime is 36351681929. The reversal of 36351681893 is 39818615363.

It is a cyclic number.

It is not a de Polignac number, because 36351681893 - 2¹⁴ = 36351665509 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 (36351681803) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2236805 + ... + 2252997.

It is an arithmetic number, because the mean of its divisors is an integer number (1279358388).

Almost surely, 2^36351681893 is an apocalyptic number.

It is an amenable number.

36351681893 is a deficient number, since it is larger than the sum of its proper divisors (4587786523).

36351681893 is a wasteful number, since it uses less digits than its factorization.

36351681893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373.

The product of its digits is 2799360, while the sum is 53.

The spelling of 36351681893 in words is "thirty-six billion, three hundred fifty-one million, six hundred eighty-one thousand, eight hundred ninety-three".