36840866231 has 4 divisors (see below), whose sum is σ = 39674779032. Its totient is φ = 34006953432.

The previous prime is 36840866191. The next prime is 36840866261. The reversal of 36840866231 is 13266804863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13266804863 = 13 ⋅1020523451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36840866231 is a prime.

It is a super-2 number, since 2×36840866231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36840866261) 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 3 ways as a sum of consecutive naturals, for example, 1416956381 + ... + 1416956406.

It is an arithmetic number, because the mean of its divisors is an integer number (9918694758).

Almost surely, 2^36840866231 is an apocalyptic number.

36840866231 is a deficient number, since it is larger than the sum of its proper divisors (2833912801).

36840866231 is a wasteful number, since it uses less digits than its factorization.

36840866231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833912800.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 36840866231 in words is "thirty-six billion, eight hundred forty million, eight hundred sixty-six thousand, two hundred thirty-one".