4064251391 has 2 divisors, whose sum is σ = 4064251392. Its totient is φ = 4064251390.

The previous prime is 4064251381. The next prime is 4064251447. The reversal of 4064251391 is 1931524604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4064251391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4064251361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032125695 + 2032125696.

It is an arithmetic number, because the mean of its divisors is an integer number (2032125696).

Almost surely, 2^4064251391 is an apocalyptic number.

4064251391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064251391 is an equidigital number, since it uses as much as digits as its factorization.

4064251391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4064251391 is about 63751.4814808252. The cubic root of 4064251391 is about 1595.8553394250.

Adding to 4064251391 its reverse (1931524604), we get a palindrome (5995775995).

The spelling of 4064251391 in words is "four billion, sixty-four million, two hundred fifty-one thousand, three hundred ninety-one".