36385721699 has 2 divisors, whose sum is σ = 36385721700. Its totient is φ = 36385721698.

The previous prime is 36385721693. The next prime is 36385721737. The reversal of 36385721699 is 99612758363.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36385721699 - 2⁴ = 36385721683 is a prime.

It is not a weakly prime, because it can be changed into another prime (36385721693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18192860849 + 18192860850.

It is an arithmetic number, because the mean of its divisors is an integer number (18192860850).

Almost surely, 2^36385721699 is an apocalyptic number.

36385721699 is a deficient number, since it is larger than the sum of its proper divisors (1).

36385721699 is an equidigital number, since it uses as much as digits as its factorization.

36385721699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 59.

The spelling of 36385721699 in words is "thirty-six billion, three hundred eighty-five million, seven hundred twenty-one thousand, six hundred ninety-nine".