1826789834469 has 16 divisors (see below), whose sum is σ = 2579051180160. Its totient is φ = 1146197176320.

The previous prime is 1826789834459. The next prime is 1826789834491. The reversal of 1826789834469 is 9644389876281.

It is not a de Polignac number, because 1826789834469 - 2²⁸ = 1826521399013 is a prime.

It is a super-2 number, since 2×1826789834469² (a number of 25 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 1826789834469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826789834459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2279952 + ... + 2975190.

It is an arithmetic number, because the mean of its divisors is an integer number (161190698760).

Almost surely, 2^{1826789834469} is an apocalyptic number.

It is an amenable number.

1826789834469 is a deficient number, since it is larger than the sum of its proper divisors (752261345691).

1826789834469 is a wasteful number, since it uses less digits than its factorization.

1826789834469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746780.

The product of its digits is 1003290624, while the sum is 75.

The spelling of 1826789834469 in words is "one trillion, eight hundred twenty-six billion, seven hundred eighty-nine million, eight hundred thirty-four thousand, four hundred sixty-nine".