9654898891 has 8 divisors (see below), whose sum is σ = 10705283568. Its totient is φ = 8633292000.

The previous prime is 9654898873. The next prime is 9654898931. The reversal of 9654898891 is 1988984569.

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

It is a cyclic number.

It is not a de Polignac number, because 9654898891 - 2²³ = 9646510283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9654898091) 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, 7193740 + ... + 7195081.

It is an arithmetic number, because the mean of its divisors is an integer number (1338160446).

Almost surely, 2^9654898891 is an apocalyptic number.

9654898891 is a deficient number, since it is larger than the sum of its proper divisors (1050384677).

9654898891 is a wasteful number, since it uses less digits than its factorization.

9654898891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14388893.

The product of its digits is 44789760, while the sum is 67.

The square root of 9654898891 is about 98259.3450568443. The cubic root of 9654898891 is about 2129.3607441204.

The spelling of 9654898891 in words is "nine billion, six hundred fifty-four million, eight hundred ninety-eight thousand, eight hundred ninety-one".