66003472429 has 2 divisors, whose sum is σ = 66003472430. Its totient is φ = 66003472428.

The previous prime is 66003472369. The next prime is 66003472433. The reversal of 66003472429 is 92427430066.

66003472429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65844586404 + 158886025 = 256602^2 + 12605^2 .

It is a cyclic number.

It is not a de Polignac number, because 66003472429 - 2¹³ = 66003464237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66003572429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33001736214 + 33001736215.

It is an arithmetic number, because the mean of its divisors is an integer number (33001736215).

Almost surely, 2^66003472429 is an apocalyptic number.

It is an amenable number.

66003472429 is a deficient number, since it is larger than the sum of its proper divisors (1).

66003472429 is an equidigital number, since it uses as much as digits as its factorization.

66003472429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 66003472429 in words is "sixty-six billion, three million, four hundred seventy-two thousand, four hundred twenty-nine".