9471980689 has 4 divisors (see below), whose sum is σ = 9474668260. Its totient is φ = 9469293120.

The previous prime is 9471980677. The next prime is 9471980731. The reversal of 9471980689 is 9860891749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9860891749 = 14107 ⋅699007.

It can be written as a sum of positive squares in 2 ways, for example, as 5601025600 + 3870955089 = 74840^2 + 62217^2 .

It is a cyclic number.

It is not a de Polignac number, because 9471980689 - 2⁷ = 9471980561 is a prime.

It is a super-3 number, since 3×9471980689³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9471980989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338492 + ... + 1345549.

It is an arithmetic number, because the mean of its divisors is an integer number (2368667065).

Almost surely, 2^9471980689 is an apocalyptic number.

It is an amenable number.

9471980689 is a deficient number, since it is larger than the sum of its proper divisors (2687571).

9471980689 is a wasteful number, since it uses less digits than its factorization.

9471980689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687570.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The square root of 9471980689 is about 97324.1012750696. The cubic root of 9471980689 is about 2115.8275511976.

The spelling of 9471980689 in words is "nine billion, four hundred seventy-one million, nine hundred eighty thousand, six hundred eighty-nine".