10821719 has 2 divisors, whose sum is σ = 10821720. Its totient is φ = 10821718.

The previous prime is 10821709. The next prime is 10821757. The reversal of 10821719 is 91712801.

10821719 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10821719 - 2⁸ = 10821463 is a prime.

It is a super-2 number, since 2×10821719² = 234219204229922, which contains 22 as substring.

It is equal to p₇₁₅₄₉₃ and since 10821719 and 715493 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 10821691 and 10821700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10821709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410859 + 5410860.

It is an arithmetic number, because the mean of its divisors is an integer number (5410860).

Almost surely, 2^10821719 is an apocalyptic number.

10821719 is a deficient number, since it is larger than the sum of its proper divisors (1).

10821719 is an equidigital number, since it uses as much as digits as its factorization.

10821719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 10821719 is about 3289.6381259950. The cubic root of 10821719 is about 221.1899638143.

The spelling of 10821719 in words is "ten million, eight hundred twenty-one thousand, seven hundred nineteen".