10821332719 has 4 divisors (see below), whose sum is σ = 11170408000. Its totient is φ = 10472257440.

The previous prime is 10821332693. The next prime is 10821332723. The reversal of 10821332719 is 91723312801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10821332719 is a prime.

It is a super-2 number, since 2×10821332719² (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 (10821332729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174537594 + ... + 174537655.

It is an arithmetic number, because the mean of its divisors is an integer number (2792602000).

Almost surely, 2^10821332719 is an apocalyptic number.

10821332719 is a deficient number, since it is larger than the sum of its proper divisors (349075281).

10821332719 is an equidigital number, since it uses as much as digits as its factorization.

10821332719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349075280.

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

The spelling of 10821332719 in words is "ten billion, eight hundred twenty-one million, three hundred thirty-two thousand, seven hundred nineteen".