9802132013 has 4 divisors (see below), whose sum is σ = 9936407868. Its totient is φ = 9667856160.

The previous prime is 9802132007. The next prime is 9802132061. The reversal of 9802132013 is 3102312089.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8215065769 + 1587066244 = 90637^2 + 39838^2 .

It is a cyclic number.

It is not a de Polignac number, because 9802132013 - 2¹² = 9802127917 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 (9802132313) 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, 67137818 + ... + 67137963.

It is an arithmetic number, because the mean of its divisors is an integer number (2484101967).

Almost surely, 2^9802132013 is an apocalyptic number.

It is an amenable number.

9802132013 is a deficient number, since it is larger than the sum of its proper divisors (134275855).

9802132013 is a wasteful number, since it uses less digits than its factorization.

9802132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134275854.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9802132013 is about 99005.7170722984. The cubic root of 9802132013 is about 2140.1301354029.

The spelling of 9802132013 in words is "nine billion, eight hundred two million, one hundred thirty-two thousand, thirteen".