9976443265242 has 96 divisors (see below), whose sum is σ = 22236972975360. Its totient is φ = 3230728744320.

The previous prime is 9976443265219. The next prime is 9976443265249. The reversal of 9976443265242 is 2425623446799.

9976443265242 is a `hidden beast` number, since 9 + 9 + 7 + 64 + 4 + 326 + 5 + 242 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9976443265242.

It is not an unprimeable number, because it can be changed into a prime (9976443265249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 704593759 + ... + 704607917.

It is an arithmetic number, because the mean of its divisors is an integer number (231635135160).

Almost surely, 2^{9976443265242} is an apocalyptic number.

9976443265242 is an abundant number, since it is smaller than the sum of its proper divisors (12260529710118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9976443265242 is a wasteful number, since it uses less digits than its factorization.

9976443265242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028 (or 19025 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 63.

The spelling of 9976443265242 in words is "nine trillion, nine hundred seventy-six billion, four hundred forty-three million, two hundred sixty-five thousand, two hundred forty-two".