9802738905959 has 4 divisors (see below), whose sum is σ = 9802748727504. Its totient is φ = 9802729084416.

The previous prime is 9802738905943. The next prime is 9802738905979. The reversal of 9802738905959 is 9595098372089.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9802738905959 - 2⁴ = 9802738905943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9802738905919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3219482 + ... + 5474535.

It is an arithmetic number, because the mean of its divisors is an integer number (2450687181876).

Almost surely, 2^{9802738905959} is an apocalyptic number.

9802738905959 is a deficient number, since it is larger than the sum of its proper divisors (9821545).

9802738905959 is a wasteful number, since it uses less digits than its factorization.

9802738905959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9821544.

The product of its (nonzero) digits is 440899200, while the sum is 74.

The spelling of 9802738905959 in words is "nine trillion, eight hundred two billion, seven hundred thirty-eight million, nine hundred five thousand, nine hundred fifty-nine".