965489811 has 16 divisors (see below), whose sum is σ = 1512376320. Its totient is φ = 540133920.

The previous prime is 965489797. The next prime is 965489849. The reversal of 965489811 is 118984569.

It is not a de Polignac number, because 965489811 - 2⁷ = 965489683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (965489881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124851 + ... + 1125708.

It is an arithmetic number, because the mean of its divisors is an integer number (94523520).

Almost surely, 2^965489811 is an apocalyptic number.

965489811 is a deficient number, since it is larger than the sum of its proper divisors (546886509).

965489811 is a wasteful number, since it uses less digits than its factorization.

965489811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250586.

The product of its digits is 622080, while the sum is 51.

The square root of 965489811 is about 31072.3319208585. The cubic root of 965489811 is about 988.3616786142.

The spelling of 965489811 in words is "nine hundred sixty-five million, four hundred eighty-nine thousand, eight hundred eleven".