442201489 has 2 divisors, whose sum is σ = 442201490. Its totient is φ = 442201488.

The previous prime is 442201477. The next prime is 442201493. The reversal of 442201489 is 984102244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307827025 + 134374464 = 17545^2 + 11592^2 .

It is a cyclic number.

It is not a de Polignac number, because 442201489 - 2⁵ = 442201457 is a prime.

It is not a weakly prime, because it can be changed into another prime (442201429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221100744 + 221100745.

It is an arithmetic number, because the mean of its divisors is an integer number (221100745).

Almost surely, 2^442201489 is an apocalyptic number.

It is an amenable number.

442201489 is a deficient number, since it is larger than the sum of its proper divisors (1).

442201489 is an equidigital number, since it uses as much as digits as its factorization.

442201489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 442201489 is about 21028.5874228394. The cubic root of 442201489 is about 761.8568911906.

The spelling of 442201489 in words is "four hundred forty-two million, two hundred one thousand, four hundred eighty-nine".