67701328133 has 2 divisors, whose sum is σ = 67701328134. Its totient is φ = 67701328132.

The previous prime is 67701328127. The next prime is 67701328169. The reversal of 67701328133 is 33182310776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40837134724 + 26864193409 = 202082^2 + 163903^2 .

It is a cyclic number.

It is not a de Polignac number, because 67701328133 - 2⁴ = 67701328117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67701328103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33850664066 + 33850664067.

It is an arithmetic number, because the mean of its divisors is an integer number (33850664067).

Almost surely, 2^67701328133 is an apocalyptic number.

It is an amenable number.

67701328133 is a deficient number, since it is larger than the sum of its proper divisors (1).

67701328133 is an equidigital number, since it uses as much as digits as its factorization.

67701328133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 67701328133 in words is "sixty-seven billion, seven hundred one million, three hundred twenty-eight thousand, one hundred thirty-three".