9671982545 has 8 divisors (see below), whose sum is σ = 11652621120. Its totient is φ = 7706758000.

The previous prime is 9671982491. The next prime is 9671982559. The reversal of 9671982545 is 5452891769.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9671982545 - 2⁸ = 9671982289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3852125 + ... + 3854634.

It is an arithmetic number, because the mean of its divisors is an integer number (1456577640).

Almost surely, 2^9671982545 is an apocalyptic number.

It is an amenable number.

9671982545 is a deficient number, since it is larger than the sum of its proper divisors (1980638575).

9671982545 is a wasteful number, since it uses less digits than its factorization.

9671982545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707015.

The product of its digits is 5443200, while the sum is 56.

The square root of 9671982545 is about 98346.2380826028. The cubic root of 9671982545 is about 2130.6159213458.

The spelling of 9671982545 in words is "nine billion, six hundred seventy-one million, nine hundred eighty-two thousand, five hundred forty-five".