844529454131 has 16 divisors (see below), whose sum is σ = 926904588288. Its totient is φ = 763098537600.

The previous prime is 844529454121. The next prime is 844529454143. The reversal of 844529454131 is 131454925448.

It is a cyclic number.

It is not a de Polignac number, because 844529454131 - 2¹⁴ = 844529437747 is a prime.

It is a super-2 number, since 2×844529454131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 844529454131.

It is not an unprimeable number, because it can be changed into a prime (844529454121) 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 in 15 ways as a sum of consecutive naturals, for example, 1275035 + ... + 1820651.

It is an arithmetic number, because the mean of its divisors is an integer number (57931536768).

Almost surely, 2^844529454131 is an apocalyptic number.

844529454131 is a deficient number, since it is larger than the sum of its proper divisors (82375134157).

844529454131 is a wasteful number, since it uses less digits than its factorization.

844529454131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546482.

The product of its digits is 2764800, while the sum is 50.

The spelling of 844529454131 in words is "eight hundred forty-four billion, five hundred twenty-nine million, four hundred fifty-four thousand, one hundred thirty-one".