424578313242891 has 12 divisors (see below), whose sum is σ = 613294659849768. Its totient is φ = 283045343880384.

The previous prime is 424578313242851. The next prime is 424578313242899. The reversal of 424578313242891 is 198242313875424.

424578313242891 is a `hidden beast` number, since 4 + 2 + 4 + 5 + 78 + 3 + 132 + 428 + 9 + 1 = 666.

It is not a de Polignac number, because 424578313242891 - 2¹⁰ = 424578313241867 is a prime.

It is a super-2 number, since 2×424578313242891² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424578313242899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571687305 + ... + 572429498.

It is an arithmetic number, because the mean of its divisors is an integer number (51107888320814).

Almost surely, 2^{424578313242891} is an apocalyptic number.

424578313242891 is a deficient number, since it is larger than the sum of its proper divisors (188716346606877).

424578313242891 is a wasteful number, since it uses less digits than its factorization.

424578313242891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144158042 (or 1144158039 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 424578313242891 in words is "four hundred twenty-four trillion, five hundred seventy-eight billion, three hundred thirteen million, two hundred forty-two thousand, eight hundred ninety-one".