67336063913 has 2 divisors, whose sum is σ = 67336063914. Its totient is φ = 67336063912.

The previous prime is 67336063909. The next prime is 67336063933. The reversal of 67336063913 is 31936063376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60911720809 + 6424343104 = 246803^2 + 80152^2 .

It is a cyclic number.

It is not a de Polignac number, because 67336063913 - 2² = 67336063909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (67336063933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33668031956 + 33668031957.

It is an arithmetic number, because the mean of its divisors is an integer number (33668031957).

Almost surely, 2^67336063913 is an apocalyptic number.

It is an amenable number.

67336063913 is a deficient number, since it is larger than the sum of its proper divisors (1).

67336063913 is an equidigital number, since it uses as much as digits as its factorization.

67336063913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 47.

The spelling of 67336063913 in words is "sixty-seven billion, three hundred thirty-six million, sixty-three thousand, nine hundred thirteen".