3946018573429 has 2 divisors, whose sum is σ = 3946018573430. Its totient is φ = 3946018573428.

The previous prime is 3946018573417. The next prime is 3946018573451. The reversal of 3946018573429 is 9243758106493.

It is a happy number.

3946018573429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2525636100625 + 1420382472804 = 1589225^2 + 1191798^2 .

It is an emirp because it is prime and its reverse (9243758106493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3946018573429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3946018523429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973009286714 + 1973009286715.

It is an arithmetic number, because the mean of its divisors is an integer number (1973009286715).

It is a 2-persistent number, because it is pandigital, and so is 2⋅3946018573429 = 7892037146858, but 3⋅3946018573429 = 11838055720287 is not.

Almost surely, 2^{3946018573429} is an apocalyptic number.

It is an amenable number.

3946018573429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946018573429 is an equidigital number, since it uses as much as digits as its factorization.

3946018573429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 3946018573429 in words is "three trillion, nine hundred forty-six billion, eighteen million, five hundred seventy-three thousand, four hundred twenty-nine".