4021444087 has 2 divisors, whose sum is σ = 4021444088. Its totient is φ = 4021444086.

The previous prime is 4021444057. The next prime is 4021444111. The reversal of 4021444087 is 7804441204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444057) 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, 2010722043 + 2010722044.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722044).

Almost surely, 2^4021444087 is an apocalyptic number.

4021444087 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444087 is an equidigital number, since it uses as much as digits as its factorization.

4021444087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 4021444087 is about 63414.8569895100. The cubic root of 4021444087 is about 1590.2326950024.

The spelling of 4021444087 in words is "four billion, twenty-one million, four hundred forty-four thousand, eighty-seven".