427152828139 has 4 divisors (see below), whose sum is σ = 445724690256. Its totient is φ = 408580966024.

The previous prime is 427152828071. The next prime is 427152828203. The reversal of 427152828139 is 931828251724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427152828139 - 2³³ = 418562893547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427152828239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9285931024 + ... + 9285931069.

It is an arithmetic number, because the mean of its divisors is an integer number (111431172564).

Almost surely, 2^427152828139 is an apocalyptic number.

427152828139 is a deficient number, since it is larger than the sum of its proper divisors (18571862117).

427152828139 is a wasteful number, since it uses less digits than its factorization.

427152828139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18571862116.

The product of its digits is 1935360, while the sum is 52.

The spelling of 427152828139 in words is "four hundred twenty-seven billion, one hundred fifty-two million, eight hundred twenty-eight thousand, one hundred thirty-nine".