66524279099 has 2 divisors, whose sum is σ = 66524279100. Its totient is φ = 66524279098.

The previous prime is 66524279077. The next prime is 66524279123. The reversal of 66524279099 is 99097242566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66524279099 - 2²⁴ = 66507501883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (66524279069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33262139549 + 33262139550.

It is an arithmetic number, because the mean of its divisors is an integer number (33262139550).

Almost surely, 2^66524279099 is an apocalyptic number.

66524279099 is a deficient number, since it is larger than the sum of its proper divisors (1).

66524279099 is an equidigital number, since it uses as much as digits as its factorization.

66524279099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 66524279099 in words is "sixty-six billion, five hundred twenty-four million, two hundred seventy-nine thousand, ninety-nine".