133784608049 has 2 divisors, whose sum is σ = 133784608050. Its totient is φ = 133784608048.

The previous prime is 133784608033. The next prime is 133784608057. The reversal of 133784608049 is 940806487331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133705041649 + 79566400 = 365657^2 + 8920^2 .

It is a cyclic number.

It is not a de Polignac number, because 133784608049 - 2⁴ = 133784608033 is a prime.

It is not a weakly prime, because it can be changed into another prime (133784608099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66892304024 + 66892304025.

It is an arithmetic number, because the mean of its divisors is an integer number (66892304025).

Almost surely, 2^133784608049 is an apocalyptic number.

It is an amenable number.

133784608049 is a deficient number, since it is larger than the sum of its proper divisors (1).

133784608049 is an equidigital number, since it uses as much as digits as its factorization.

133784608049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 133784608049 in words is "one hundred thirty-three billion, seven hundred eighty-four million, six hundred eight thousand, forty-nine".