4034666421 has 6 divisors (see below), whose sum is σ = 5827851510. Its totient is φ = 2689777608.

The previous prime is 4034666413. The next prime is 4034666497. The reversal of 4034666421 is 1246664304.

It can be written as a sum of positive squares in only one way, i.e., 3970890225 + 63776196 = 63015^2 + 7986^2 .

It is not a de Polignac number, because 4034666421 - 2³ = 4034666413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4034666021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224148126 + ... + 224148143.

It is an arithmetic number, because the mean of its divisors is an integer number (971308585).

Almost surely, 2^4034666421 is an apocalyptic number.

It is an amenable number.

4034666421 is a deficient number, since it is larger than the sum of its proper divisors (1793185089).

4034666421 is a wasteful number, since it uses less digits than its factorization.

4034666421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448296275 (or 448296272 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 4034666421 is about 63519.0240872764. The cubic root of 4034666421 is about 1591.9736603987.

The spelling of 4034666421 in words is "four billion, thirty-four million, six hundred sixty-six thousand, four hundred twenty-one".