9442302645889 has 9 divisors (see below), whose sum is σ = 9462457194537. Its totient is φ = 9422190953904.

The previous prime is 9442302645887. The next prime is 9442302645943. The reversal of 9442302645889 is 9885462032449.

The square root of 9442302645889 is 3072833.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1382724225 + 9440919921664 = 37185^2 + 3072608^2 .

It is not a de Polignac number, because 9442302645889 - 2¹ = 9442302645887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9442302645889.

It is not an unprimeable number, because it can be changed into a prime (9442302645883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1564068979 + ... + 1564075015.

Almost surely, 2^{9442302645889} is an apocalyptic number.

9442302645889 is the 3072833-rd square number.

9442302645889 is the 1536417-th centered octagonal number.

It is an amenable number.

9442302645889 is a deficient number, since it is larger than the sum of its proper divisors (20154548648).

9442302645889 is an frugal number, since it uses more digits than its factorization.

9442302645889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092 (or 6546 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 64.

Multiplying 9442302645889 by its sum of digits (64), we get a square (604307369336896 = 24582664²).

The spelling of 9442302645889 in words is "nine trillion, four hundred forty-two billion, three hundred two million, six hundred forty-five thousand, eight hundred eighty-nine".