9971973063 has 24 divisors (see below), whose sum is σ = 15527698368. Its totient is φ = 6130372032.

The previous prime is 9971973061. The next prime is 9971973097. The reversal of 9971973063 is 3603791799.

It is not a de Polignac number, because 9971973063 - 2¹ = 9971973061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971973061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73906 + ... + 159392.

It is an arithmetic number, because the mean of its divisors is an integer number (646987432).

Almost surely, 2^9971973063 is an apocalyptic number.

9971973063 is a deficient number, since it is larger than the sum of its proper divisors (5555725305).

9971973063 is a wasteful number, since it uses less digits than its factorization.

9971973063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86503 (or 86500 counting only the distinct ones).

The product of its (nonzero) digits is 1928934, while the sum is 54.

The square root of 9971973063 is about 99859.7669885124. The cubic root of 9971973063 is about 2152.4200665562.

The spelling of 9971973063 in words is "nine billion, nine hundred seventy-one million, nine hundred seventy-three thousand, sixty-three".