10730680921 has 9 divisors (see below), whose sum is σ = 10891410933. Its totient is φ = 10572293340.

The previous prime is 10730680903. The next prime is 10730680937. The reversal of 10730680921 is 12908603701.

The square root of 10730680921 is 103589.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 10730680921 - 2⁹ = 10730680409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10730680951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7354090 + ... + 7355548.

Almost surely, 2^10730680921 is an apocalyptic number.

10730680921 is the 103589-th square number.

10730680921 is the 51795-th centered octagonal number.

It is an amenable number.

10730680921 is a deficient number, since it is larger than the sum of its proper divisors (160730012).

10730680921 is an frugal number, since it uses more digits than its factorization.

10730680921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 10730680921 in words is "ten billion, seven hundred thirty million, six hundred eighty thousand, nine hundred twenty-one".