2421002189 has 2 divisors, whose sum is σ = 2421002190. Its totient is φ = 2421002188.

The previous prime is 2421002137. The next prime is 2421002209. The reversal of 2421002189 is 9812001242.

2421002189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1769884900 + 651117289 = 42070^2 + 25517^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421002189 - 2¹² = 2420998093 is a prime.

It is a super-2 number, since 2×2421002189² = 11722503198285583442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421001189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210501094 + 1210501095.

It is an arithmetic number, because the mean of its divisors is an integer number (1210501095).

Almost surely, 2^2421002189 is an apocalyptic number.

It is an amenable number.

2421002189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421002189 is an equidigital number, since it uses as much as digits as its factorization.

2421002189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2421002189 is about 49203.6806448461. The cubic root of 2421002189 is about 1342.7599957891.

The spelling of 2421002189 in words is "two billion, four hundred twenty-one million, two thousand, one hundred eighty-nine".