4066641401 has 4 divisors (see below), whose sum is σ = 4102629492. Its totient is φ = 4030653312.

The previous prime is 4066641389. The next prime is 4066641409. The reversal of 4066641401 is 1041466604.

4066641401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 597313600 + 3469327801 = 24440^2 + 58901^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066641401 - 2¹⁸ = 4066379257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4066641409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17993876 + ... + 17994101.

It is an arithmetic number, because the mean of its divisors is an integer number (1025657373).

Almost surely, 2^4066641401 is an apocalyptic number.

It is an amenable number.

4066641401 is a deficient number, since it is larger than the sum of its proper divisors (35988091).

4066641401 is a wasteful number, since it uses less digits than its factorization.

4066641401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35988090.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4066641401 is about 63770.2234667560. The cubic root of 4066641401 is about 1596.1680959008.

The spelling of 4066641401 in words is "four billion, sixty-six million, six hundred forty-one thousand, four hundred one".