36666259913 has 2 divisors, whose sum is σ = 36666259914. Its totient is φ = 36666259912.

The previous prime is 36666259879. The next prime is 36666259921. The reversal of 36666259913 is 31995266663.

36666259913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20233071049 + 16433188864 = 142243^2 + 128192^2 .

It is an emirp because it is prime and its reverse (31995266663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36666259913 - 2⁶ = 36666259849 is a prime.

It is not a weakly prime, because it can be changed into another prime (36666259933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333129956 + 18333129957.

It is an arithmetic number, because the mean of its divisors is an integer number (18333129957).

Almost surely, 2^36666259913 is an apocalyptic number.

It is an amenable number.

36666259913 is a deficient number, since it is larger than the sum of its proper divisors (1).

36666259913 is an equidigital number, since it uses as much as digits as its factorization.

36666259913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9447840, while the sum is 56.

The spelling of 36666259913 in words is "thirty-six billion, six hundred sixty-six million, two hundred fifty-nine thousand, nine hundred thirteen".