133620333643 has 2 divisors, whose sum is σ = 133620333644. Its totient is φ = 133620333642.

The previous prime is 133620333599. The next prime is 133620333673. The reversal of 133620333643 is 346333026331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133620333643 - 2²⁹ = 133083462731 is a prime.

It is not a weakly prime, because it can be changed into another prime (133620333673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66810166821 + 66810166822.

It is an arithmetic number, because the mean of its divisors is an integer number (66810166822).

Almost surely, 2^133620333643 is an apocalyptic number.

133620333643 is a deficient number, since it is larger than the sum of its proper divisors (1).

133620333643 is an equidigital number, since it uses as much as digits as its factorization.

133620333643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 37.

Adding to 133620333643 its reverse (346333026331), we get a palindrome (479953359974).

The spelling of 133620333643 in words is "one hundred thirty-three billion, six hundred twenty million, three hundred thirty-three thousand, six hundred forty-three".