4221312037 has 2 divisors, whose sum is σ = 4221312038. Its totient is φ = 4221312036.

The previous prime is 4221311929. The next prime is 4221312049. The reversal of 4221312037 is 7302131224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4198262436 + 23049601 = 64794^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221312037 - 2¹⁹ = 4220787749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221312077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110656018 + 2110656019.

It is an arithmetic number, because the mean of its divisors is an integer number (2110656019).

Almost surely, 2^4221312037 is an apocalyptic number.

It is an amenable number.

4221312037 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221312037 is an equidigital number, since it uses as much as digits as its factorization.

4221312037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 4221312037 is about 64971.6248603958. The cubic root of 4221312037 is about 1616.1530471175.

The spelling of 4221312037 in words is "four billion, two hundred twenty-one million, three hundred twelve thousand, thirty-seven".