9849622658 has 6 divisors (see below), whose sum is σ = 14774644521. Its totient is φ = 4924741152.

The previous prime is 9849622621. The next prime is 9849622691. The reversal of 9849622658 is 8562269489.

It can be written as a sum of positive squares in 2 ways, for example, as 6725148049 + 3124474609 = 82007^2 + 55897^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=70177.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9849622597 and 9849622606.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 105266 + ... + 175442.

Almost surely, 2^9849622658 is an apocalyptic number.

9849622658 is a deficient number, since it is larger than the sum of its proper divisors (4925021863).

9849622658 is an frugal number, since it uses more digits than its factorization.

9849622658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140356 (or 70179 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The square root of 9849622658 is about 99245.2651666567. The cubic root of 9849622658 is about 2143.5808289435.

The spelling of 9849622658 in words is "nine billion, eight hundred forty-nine million, six hundred twenty-two thousand, six hundred fifty-eight".