424851771813 has 32 divisors (see below), whose sum is σ = 674535321600. Its totient is φ = 232714593216.

The previous prime is 424851771779. The next prime is 424851771821. The reversal of 424851771813 is 318177158424.

It is not a de Polignac number, because 424851771813 - 2⁹ = 424851771301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424851771893) 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 in 31 ways as a sum of consecutive naturals, for example, 2424781 + ... + 2594082.

It is an arithmetic number, because the mean of its divisors is an integer number (21079228800).

Almost surely, 2^424851771813 is an apocalyptic number.

It is an amenable number.

424851771813 is a deficient number, since it is larger than the sum of its proper divisors (249683549787).

424851771813 is a wasteful number, since it uses less digits than its factorization.

424851771813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019041.

The product of its digits is 1505280, while the sum is 51.

It can be divided in two parts, 4248517 and 71813, that added together give a triangular number (4320330 = T₂₉₃₉).

The spelling of 424851771813 in words is "four hundred twenty-four billion, eight hundred fifty-one million, seven hundred seventy-one thousand, eight hundred thirteen".