4033764421 has 2 divisors, whose sum is σ = 4033764422. Its totient is φ = 4033764420.

The previous prime is 4033764401. The next prime is 4033764499. The reversal of 4033764421 is 1244673304.

4033764421 is digitally balanced in base 2, 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., 2897130625 + 1136633796 = 53825^2 + 33714^2 .

It is a cyclic number.

It is not a de Polignac number, because 4033764421 - 2⁵ = 4033764389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4033764401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016882210 + 2016882211.

It is an arithmetic number, because the mean of its divisors is an integer number (2016882211).

Almost surely, 2^4033764421 is an apocalyptic number.

It is an amenable number.

4033764421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033764421 is an equidigital number, since it uses as much as digits as its factorization.

4033764421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 4033764421 is about 63511.9234553639. The cubic root of 4033764421 is about 1591.8550163677.

The spelling of 4033764421 in words is "four billion, thirty-three million, seven hundred sixty-four thousand, four hundred twenty-one".