2442021887 has 2 divisors, whose sum is σ = 2442021888. Its totient is φ = 2442021886.

The previous prime is 2442021871. The next prime is 2442021889. The reversal of 2442021887 is 7881202442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2442021887 - 2⁴ = 2442021871 is a prime.

It is a super-3 number, since 3×2442021887³ (a number of 29 digits) contains 333 as substring.

Together with 2442021889, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2442021887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442021889) 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, 1221010943 + 1221010944.

It is an arithmetic number, because the mean of its divisors is an integer number (1221010944).

Almost surely, 2^2442021887 is an apocalyptic number.

2442021887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442021887 is an equidigital number, since it uses as much as digits as its factorization.

2442021887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 2442021887 is about 49416.8178558677. The cubic root of 2442021887 is about 1346.6348535996.

The spelling of 2442021887 in words is "two billion, four hundred forty-two million, twenty-one thousand, eight hundred eighty-seven".