36866534899 has 2 divisors, whose sum is σ = 36866534900. Its totient is φ = 36866534898.

The previous prime is 36866534893. The next prime is 36866534909. The reversal of 36866534899 is 99843566863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36866534899 - 2¹⁹ = 36866010611 is a prime.

It is not a weakly prime, because it can be changed into another prime (36866534893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18433267449 + 18433267450.

It is an arithmetic number, because the mean of its divisors is an integer number (18433267450).

Almost surely, 2^36866534899 is an apocalyptic number.

36866534899 is a deficient number, since it is larger than the sum of its proper divisors (1).

36866534899 is an equidigital number, since it uses as much as digits as its factorization.

36866534899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201553920, while the sum is 67.

The spelling of 36866534899 in words is "thirty-six billion, eight hundred sixty-six million, five hundred thirty-four thousand, eight hundred ninety-nine".