10819293859 has 4 divisors (see below), whose sum is σ = 11802866040. Its totient is φ = 9835721680.

The previous prime is 10819293857. The next prime is 10819293869. The reversal of 10819293859 is 95839291801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95839291801 = 11 ⋅8712662891.

It is a cyclic number.

It is not a de Polignac number, because 10819293859 - 2¹ = 10819293857 is a prime.

It is a super-2 number, since 2×10819293859² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10819293851) 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, 491786074 + ... + 491786095.

It is an arithmetic number, because the mean of its divisors is an integer number (2950716510).

Almost surely, 2^10819293859 is an apocalyptic number.

10819293859 is a deficient number, since it is larger than the sum of its proper divisors (983572181).

10819293859 is an equidigital number, since it uses as much as digits as its factorization.

10819293859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983572180.

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 10819293859 in words is "ten billion, eight hundred nineteen million, two hundred ninety-three thousand, eight hundred fifty-nine".