9573972986 has 4 divisors (see below), whose sum is σ = 14360959482. Its totient is φ = 4786986492.

The previous prime is 9573972937. The next prime is 9573973007. The reversal of 9573972986 is 6892793759.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9489682225 + 84290761 = 97415^2 + 9181^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393493245 + ... + 2393493248.

Almost surely, 2^9573972986 is an apocalyptic number.

9573972986 is a deficient number, since it is larger than the sum of its proper divisors (4786986496).

9573972986 is a wasteful number, since it uses less digits than its factorization.

9573972986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786986495.

The product of its digits is 51438240, while the sum is 65.

The square root of 9573972986 is about 97846.6810167826. The cubic root of 9573972986 is about 2123.3947173938.

The spelling of 9573972986 in words is "nine billion, five hundred seventy-three million, nine hundred seventy-two thousand, nine hundred eighty-six".