867234452481 has 24 divisors (see below), whose sum is σ = 1265016411360. Its totient is φ = 572464322496.

The previous prime is 867234452419. The next prime is 867234452509. The reversal of 867234452481 is 184254432768.

867234452481 is a `hidden beast` number, since 8 + 6 + 7 + 2 + 34 + 4 + 524 + 81 = 666.

It is not a de Polignac number, because 867234452481 - 2⁷ = 867234452353 is a prime.

It is a super-2 number, since 2×867234452481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (867234452401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1693330 + ... + 2145188.

It is an arithmetic number, because the mean of its divisors is an integer number (52709017140).

Almost surely, 2^867234452481 is an apocalyptic number.

It is an amenable number.

867234452481 is a deficient number, since it is larger than the sum of its proper divisors (397781958879).

867234452481 is a wasteful number, since it uses less digits than its factorization.

867234452481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453965 (or 453962 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 867234452481 in words is "eight hundred sixty-seven billion, two hundred thirty-four million, four hundred fifty-two thousand, four hundred eighty-one".