36398994833 has 2 divisors, whose sum is σ = 36398994834. Its totient is φ = 36398994832.

The previous prime is 36398994817. The next prime is 36398994859. The reversal of 36398994833 is 33849989363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29978498449 + 6420496384 = 173143^2 + 80128^2 .

It is an emirp because it is prime and its reverse (33849989363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36398994833 - 2⁴ = 36398994817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36398994833.

It is not a weakly prime, because it can be changed into another prime (36398994803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18199497416 + 18199497417.

It is an arithmetic number, because the mean of its divisors is an integer number (18199497417).

Almost surely, 2^36398994833 is an apocalyptic number.

It is an amenable number.

36398994833 is a deficient number, since it is larger than the sum of its proper divisors (1).

36398994833 is an equidigital number, since it uses as much as digits as its factorization.

36398994833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90699264, while the sum is 65.

The spelling of 36398994833 in words is "thirty-six billion, three hundred ninety-eight million, nine hundred ninety-four thousand, eight hundred thirty-three".