133346643329 has 2 divisors, whose sum is σ = 133346643330. Its totient is φ = 133346643328.

The previous prime is 133346643323. The next prime is 133346643379. The reversal of 133346643329 is 923346643331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133335983104 + 10660225 = 365152^2 + 3265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133346643329 is a prime.

It is a super-2 number, since 2×133346643329² (a number of 23 digits) contains 22 as substring.

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 (133346643323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66673321664 + 66673321665.

It is an arithmetic number, because the mean of its divisors is an integer number (66673321665).

Almost surely, 2^133346643329 is an apocalyptic number.

It is an amenable number.

133346643329 is a deficient number, since it is larger than the sum of its proper divisors (1).

133346643329 is an equidigital number, since it uses as much as digits as its factorization.

133346643329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 47.

The spelling of 133346643329 in words is "one hundred thirty-three billion, three hundred forty-six million, six hundred forty-three thousand, three hundred twenty-nine".