10491809428928 has 56 divisors (see below), whose sum is σ = 21590265226800. Its totient is φ = 5052627191808.

The previous prime is 10491809428913. The next prime is 10491809428931. The reversal of 10491809428928 is 82982490819401.

It is a super-2 number, since 2×10491809428928² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6151550 + ... + 7669757.

Almost surely, 2^{10491809428928} is an apocalyptic number.

It is an amenable number.

10491809428928 is an abundant number, since it is smaller than the sum of its proper divisors (11098455797872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10491809428928 is a wasteful number, since it uses less digits than its factorization.

10491809428928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13821757 (or 13821747 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 65.

The spelling of 10491809428928 in words is "ten trillion, four hundred ninety-one billion, eight hundred nine million, four hundred twenty-eight thousand, nine hundred twenty-eight".