874834438469 has 2 divisors, whose sum is σ = 874834438470. Its totient is φ = 874834438468.

The previous prime is 874834438453. The next prime is 874834438519. The reversal of 874834438469 is 964834438478.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500336949025 + 374497489444 = 707345^2 + 611962^2 .

It is a cyclic number.

It is not a de Polignac number, because 874834438469 - 2⁴ = 874834438453 is a prime.

It is a super-2 number, since 2×874834438469² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 874834438399 and 874834438408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874834438969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437417219234 + 437417219235.

It is an arithmetic number, because the mean of its divisors is an integer number (437417219235).

Almost surely, 2^874834438469 is an apocalyptic number.

It is an amenable number.

874834438469 is a deficient number, since it is larger than the sum of its proper divisors (1).

874834438469 is an equidigital number, since it uses as much as digits as its factorization.

874834438469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 445906944, while the sum is 68.

Subtracting 874834438469 from its reverse (964834438478), we obtain a palindrome (90000000009).

The spelling of 874834438469 in words is "eight hundred seventy-four billion, eight hundred thirty-four million, four hundred thirty-eight thousand, four hundred sixty-nine".