874697824489 has 2 divisors, whose sum is σ = 874697824490. Its totient is φ = 874697824488.

The previous prime is 874697824477. The next prime is 874697824493. The reversal of 874697824489 is 984428796478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729814821264 + 144883003225 = 854292^2 + 380635^2 .

It is a cyclic number.

It is not a de Polignac number, because 874697824489 - 2²⁵ = 874664270057 is a prime.

It is a super-2 number, since 2×874697824489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (874697824789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437348912244 + 437348912245.

It is an arithmetic number, because the mean of its divisors is an integer number (437348912245).

Almost surely, 2^874697824489 is an apocalyptic number.

It is an amenable number.

874697824489 is a deficient number, since it is larger than the sum of its proper divisors (1).

874697824489 is an equidigital number, since it uses as much as digits as its factorization.

874697824489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1560674304, while the sum is 76.

The spelling of 874697824489 in words is "eight hundred seventy-four billion, six hundred ninety-seven million, eight hundred twenty-four thousand, four hundred eighty-nine".