424430142853 has 4 divisors (see below), whose sum is σ = 424431446860. Its totient is φ = 424428838848.

The previous prime is 424430142839. The next prime is 424430142869. The reversal of 424430142853 is 358241034424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 206245864449 + 218184278404 = 454143^2 + 467102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424430142853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424430142053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286951 + ... + 964987.

It is an arithmetic number, because the mean of its divisors is an integer number (106107861715).

Almost surely, 2^424430142853 is an apocalyptic number.

It is an amenable number.

424430142853 is a deficient number, since it is larger than the sum of its proper divisors (1304007).

424430142853 is an equidigital number, since it uses as much as digits as its factorization.

424430142853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304006.

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 424430142853 in words is "four hundred twenty-four billion, four hundred thirty million, one hundred forty-two thousand, eight hundred fifty-three".