423863464959 has 12 divisors (see below), whose sum is σ = 667906066152. Its totient is φ = 256886948400.

The previous prime is 423863464903. The next prime is 423863464987. The reversal of 423863464959 is 959464368324.

423863464959 is a `hidden beast` number, since 4 + 2 + 3 + 86 + 3 + 464 + 95 + 9 = 666.

It is not a de Polignac number, because 423863464959 - 2⁹ = 423863464447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423863464896 and 423863464905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423863460959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2140724472 + ... + 2140724669.

It is an arithmetic number, because the mean of its divisors is an integer number (55658838846).

Almost surely, 2^423863464959 is an apocalyptic number.

423863464959 is a deficient number, since it is larger than the sum of its proper divisors (244042601193).

423863464959 is a wasteful number, since it uses less digits than its factorization.

423863464959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281449158 (or 4281449155 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 63.

The spelling of 423863464959 in words is "four hundred twenty-three billion, eight hundred sixty-three million, four hundred sixty-four thousand, nine hundred fifty-nine".