10721933383 has 12 divisors (see below), whose sum is σ = 12505949200. Its totient is φ = 9188584860.

The previous prime is 10721933357. The next prime is 10721933429. The reversal of 10721933383 is 38333912701.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a de Polignac number, because none of the positive numbers 2^k-10721933383 is a prime.

It is a super-2 number, since 2×10721933383² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721933683) 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 11 ways as a sum of consecutive naturals, for example, 1914918 + ... + 1920508.

Almost surely, 2^10721933383 is an apocalyptic number.

10721933383 is a deficient number, since it is larger than the sum of its proper divisors (1784015817).

10721933383 is an frugal number, since it uses more digits than its factorization.

10721933383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

Multiplying 10721933383 by its product of nonzero digits (81648), we get a square (875424416855184 = 29587572²).

The spelling of 10721933383 in words is "ten billion, seven hundred twenty-one million, nine hundred thirty-three thousand, three hundred eighty-three".