9849834658 has 4 divisors (see below), whose sum is σ = 14774751990. Its totient is φ = 4924917328.

The previous prime is 9849834653. The next prime is 9849834667. The reversal of 9849834658 is 8564389489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7897343689 + 1952490969 = 88867^2 + 44187^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9849834658.

It is not an unprimeable number, because it can be changed into a prime (9849834653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2462458663 + ... + 2462458666.

Almost surely, 2^9849834658 is an apocalyptic number.

9849834658 is a deficient number, since it is larger than the sum of its proper divisors (4924917332).

9849834658 is a wasteful number, since it uses less digits than its factorization.

9849834658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924917331.

The product of its digits is 59719680, while the sum is 64.

The square root of 9849834658 is about 99246.3332219382. Note that the first 3 decimals coincide. The cubic root of 9849834658 is about 2143.5962080733.

The spelling of 9849834658 in words is "nine billion, eight hundred forty-nine million, eight hundred thirty-four thousand, six hundred fifty-eight".