9813016621005 has 32 divisors (see below), whose sum is σ = 17320986950400. Its totient is φ = 4713193720320.

The previous prime is 9813016620959. The next prime is 9813016621027. The reversal of 9813016621005 is 5001266103189.

It is not a de Polignac number, because 9813016621005 - 2¹⁰ = 9813016619981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613689105 + ... + 613705094.

It is an arithmetic number, because the mean of its divisors is an integer number (541280842200).

Almost surely, 2^{9813016621005} is an apocalyptic number.

It is an amenable number.

9813016621005 is a deficient number, since it is larger than the sum of its proper divisors (7507970329395).

9813016621005 is a wasteful number, since it uses less digits than its factorization.

9813016621005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227394261.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 9813016621005 in words is "nine trillion, eight hundred thirteen billion, sixteen million, six hundred twenty-one thousand, five".