428271318239 has 8 divisors (see below), whose sum is σ = 443338084560. Its totient is φ = 413224471296.

The previous prime is 428271318227. The next prime is 428271318247. The reversal of 428271318239 is 932813172824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428271318239 - 2¹² = 428271314143 is a prime.

It is a super-2 number, since 2×428271318239² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428271318259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4936082 + ... + 5022095.

It is an arithmetic number, because the mean of its divisors is an integer number (55417260570).

Almost surely, 2^428271318239 is an apocalyptic number.

428271318239 is a deficient number, since it is larger than the sum of its proper divisors (15066766321).

428271318239 is a wasteful number, since it uses less digits than its factorization.

428271318239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959689.

The product of its digits is 1161216, while the sum is 50.

The spelling of 428271318239 in words is "four hundred twenty-eight billion, two hundred seventy-one million, three hundred eighteen thousand, two hundred thirty-nine".