9658001881 has 8 divisors (see below), whose sum is σ = 10640320128. Its totient is φ = 8693070000.

The previous prime is 9658001831. The next prime is 9658001917. The reversal of 9658001881 is 1881008569.

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

It is not a de Polignac number, because 9658001881 - 2¹³ = 9657993689 is a prime.

It is a super-2 number, since 2×9658001881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9658001831) 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, 4345425 + ... + 4347646.

It is an arithmetic number, because the mean of its divisors is an integer number (1330040016).

Almost surely, 2^9658001881 is an apocalyptic number.

It is an amenable number.

9658001881 is a deficient number, since it is larger than the sum of its proper divisors (982318247).

9658001881 is a wasteful number, since it uses less digits than its factorization.

9658001881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693183.

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 9658001881 is about 98275.1335842389. The cubic root of 9658001881 is about 2129.5888382533.

The spelling of 9658001881 in words is "nine billion, six hundred fifty-eight million, one thousand, eight hundred eighty-one".