4021442437237 has 2 divisors, whose sum is σ = 4021442437238. Its totient is φ = 4021442437236.

The previous prime is 4021442437213. The next prime is 4021442437241. The reversal of 4021442437237 is 7327342441204.

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., 3835365811281 + 186076625956 = 1958409^2 + 431366^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021442437237 - 2³⁵ = 3987082698869 is a prime.

It is a super-3 number, since 3×4021442437237³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021442437193 and 4021442437202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021442437247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010721218618 + 2010721218619.

It is an arithmetic number, because the mean of its divisors is an integer number (2010721218619).

Almost surely, 2^{4021442437237} is an apocalyptic number.

It is an amenable number.

4021442437237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021442437237 is an equidigital number, since it uses as much as digits as its factorization.

4021442437237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 43.

The spelling of 4021442437237 in words is "four trillion, twenty-one billion, four hundred forty-two million, four hundred thirty-seven thousand, two hundred thirty-seven".