9849869617874 has 16 divisors (see below), whose sum is σ = 17357812194240. Its totient is φ = 4132812426960.

The previous prime is 9849869617837. The next prime is 9849869617901. The reversal of 9849869617874 is 4787169689489.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17220051494 + ... + 17220052065.

It is an arithmetic number, because the mean of its divisors is an integer number (1084863262140).

Almost surely, 2^{9849869617874} is an apocalyptic number.

9849869617874 is a deficient number, since it is larger than the sum of its proper divisors (7507942576366).

9849869617874 is a wasteful number, since it uses less digits than its factorization.

9849869617874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34440103585.

The product of its digits is 10534551552, while the sum is 86.

The spelling of 9849869617874 in words is "nine trillion, eight hundred forty-nine billion, eight hundred sixty-nine million, six hundred seventeen thousand, eight hundred seventy-four".