1110563989 has 2 divisors, whose sum is σ = 1110563990. Its totient is φ = 1110563988.

The previous prime is 1110563969. The next prime is 1110564001. The reversal of 1110563989 is 9893650111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109223025 + 1340964 = 33305^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110563989 - 2⁵ = 1110563957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110563969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555281994 + 555281995.

It is an arithmetic number, because the mean of its divisors is an integer number (555281995).

Almost surely, 2^1110563989 is an apocalyptic number.

It is an amenable number.

1110563989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110563989 is an equidigital number, since it uses as much as digits as its factorization.

1110563989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 1110563989 is about 33325.1254911366. The cubic root of 1110563989 is about 1035.5741371790.

The spelling of 1110563989 in words is "one billion, one hundred ten million, five hundred sixty-three thousand, nine hundred eighty-nine".