963565489 has 4 divisors (see below), whose sum is σ = 963641124. Its totient is φ = 963489856.

The previous prime is 963565481. The next prime is 963565511. The reversal of 963565489 is 984565369.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 755975025 + 207590464 = 27495^2 + 14408^2 .

It is a cyclic number.

It is not a de Polignac number, because 963565489 - 2³ = 963565481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963565481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13492 + ... + 45925.

It is an arithmetic number, because the mean of its divisors is an integer number (240910281).

Almost surely, 2^963565489 is an apocalyptic number.

It is an amenable number.

963565489 is a deficient number, since it is larger than the sum of its proper divisors (75635).

963565489 is a wasteful number, since it uses less digits than its factorization.

963565489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75634.

The product of its digits is 6998400, while the sum is 55.

The square root of 963565489 is about 31041.3512753553. The cubic root of 963565489 is about 987.7046058758.

The spelling of 963565489 in words is "nine hundred sixty-three million, five hundred sixty-five thousand, four hundred eighty-nine".