4034250421 has 2 divisors, whose sum is σ = 4034250422. Its totient is φ = 4034250420.

The previous prime is 4034250383. The next prime is 4034250481. The reversal of 4034250421 is 1240524304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3530023396 + 504227025 = 59414^2 + 22455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4034250421 - 2⁹ = 4034249909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4034250481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017125210 + 2017125211.

It is an arithmetic number, because the mean of its divisors is an integer number (2017125211).

Almost surely, 2^4034250421 is an apocalyptic number.

It is an amenable number.

4034250421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4034250421 is an equidigital number, since it uses as much as digits as its factorization.

4034250421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4034250421 is about 63515.7493933591. The cubic root of 4034250421 is about 1591.9189442846.

Adding to 4034250421 its reverse (1240524304), we get a palindrome (5274774725).

The spelling of 4034250421 in words is "four billion, thirty-four million, two hundred fifty thousand, four hundred twenty-one".