9441563387 has 2 divisors, whose sum is σ = 9441563388. Its totient is φ = 9441563386.

The previous prime is 9441563381. The next prime is 9441563389. The reversal of 9441563387 is 7833651449.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9441563387 - 2⁴ = 9441563371 is a prime.

Together with 9441563389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9441563381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4720781693 + 4720781694.

It is an arithmetic number, because the mean of its divisors is an integer number (4720781694).

Almost surely, 2^9441563387 is an apocalyptic number.

9441563387 is a deficient number, since it is larger than the sum of its proper divisors (1).

9441563387 is an equidigital number, since it uses as much as digits as its factorization.

9441563387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The square root of 9441563387 is about 97167.7075318750. The cubic root of 9441563387 is about 2113.5602753437.

The spelling of 9441563387 in words is "nine billion, four hundred forty-one million, five hundred sixty-three thousand, three hundred eighty-seven".