10729021005 has 24 divisors (see below), whose sum is σ = 18662705568. Its totient is φ = 5701918176.

The previous prime is 10729020971. The next prime is 10729021019. The reversal of 10729021005 is 50012092701.

It is not a de Polignac number, because 10729021005 - 2⁹ = 10729020493 is a prime.

It is a super-2 number, since 2×10729021005² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10729021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408507 + ... + 433976.

It is an arithmetic number, because the mean of its divisors is an integer number (777612732).

Almost surely, 2^10729021005 is an apocalyptic number.

10729021005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10729021005 is a deficient number, since it is larger than the sum of its proper divisors (7933684563).

10729021005 is a wasteful number, since it uses less digits than its factorization.

10729021005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842777 (or 842774 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 10729021005 in words is "ten billion, seven hundred twenty-nine million, twenty-one thousand, five".