289120963 has 2 divisors, whose sum is σ = 289120964. Its totient is φ = 289120962.

The previous prime is 289120939. The next prime is 289120969. The reversal of 289120963 is 369021982.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 289120963 - 2²¹ = 287023811 is a prime.

It is not a weakly prime, because it can be changed into another prime (289120969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144560481 + 144560482.

It is an arithmetic number, because the mean of its divisors is an integer number (144560482).

Almost surely, 2^289120963 is an apocalyptic number.

289120963 is a deficient number, since it is larger than the sum of its proper divisors (1).

289120963 is an equidigital number, since it uses as much as digits as its factorization.

289120963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 289120963 is about 17003.5573630932. The cubic root of 289120963 is about 661.2411318334.

The spelling of 289120963 in words is "two hundred eighty-nine million, one hundred twenty thousand, nine hundred sixty-three".