9730134721805 has 16 divisors (see below), whose sum is σ = 11705755353600. Its totient is φ = 7764387736320.

The previous prime is 9730134721627. The next prime is 9730134721837. The reversal of 9730134721805 is 5081274310379.

It is not a de Polignac number, because 9730134721805 - 2¹⁰ = 9730134720781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8036645 + ... + 9167765.

It is an arithmetic number, because the mean of its divisors is an integer number (731609709600).

Almost surely, 2^{9730134721805} is an apocalyptic number.

It is an amenable number.

9730134721805 is a deficient number, since it is larger than the sum of its proper divisors (1975620631795).

9730134721805 is a wasteful number, since it uses less digits than its factorization.

9730134721805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135484.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 9730134721805 in words is "nine trillion, seven hundred thirty billion, one hundred thirty-four million, seven hundred twenty-one thousand, eight hundred five".