133333366666469 has 2 divisors, whose sum is σ = 133333366666470. Its totient is φ = 133333366666468.

The previous prime is 133333366666393. The next prime is 133333366666483. The reversal of 133333366666469 is 964666663333331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87750749446369 + 45582617220100 = 9367537^2 + 6751490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133333366666469 is a prime.

It is a super-2 number, since 2×133333366666469² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133333366666399 and 133333366666408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133333366662469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66666683333234 + 66666683333235.

It is an arithmetic number, because the mean of its divisors is an integer number (66666683333235).

Almost surely, 2^{133333366666469} is an apocalyptic number.

It is an amenable number.

133333366666469 is a deficient number, since it is larger than the sum of its proper divisors (1).

133333366666469 is an equidigital number, since it uses as much as digits as its factorization.

133333366666469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224440064, while the sum is 68.

The spelling of 133333366666469 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, three hundred sixty-six million, six hundred sixty-six thousand, four hundred sixty-nine".