9814659664641 has 8 divisors (see below), whose sum is σ = 14092844646720. Its totient is φ = 6039790562832.

The previous prime is 9814659664609. The next prime is 9814659664643. The reversal of 9814659664641 is 1464669564189.

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

It is not a de Polignac number, because 9814659664641 - 2⁵ = 9814659664609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9814659664643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125828970021 + ... + 125828970098.

It is an arithmetic number, because the mean of its divisors is an integer number (1761605580840).

Almost surely, 2^{9814659664641} is an apocalyptic number.

It is an amenable number.

9814659664641 is a deficient number, since it is larger than the sum of its proper divisors (4278184982079).

9814659664641 is a wasteful number, since it uses less digits than its factorization.

9814659664641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251657940135.

The product of its digits is 268738560, while the sum is 69.

The spelling of 9814659664641 in words is "nine trillion, eight hundred fourteen billion, six hundred fifty-nine million, six hundred sixty-four thousand, six hundred forty-one".