538320927427 has 2 divisors, whose sum is σ = 538320927428. Its totient is φ = 538320927426.

The previous prime is 538320927407. The next prime is 538320927497. The reversal of 538320927427 is 724729023835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538320927427 - 2⁷ = 538320927299 is a prime.

It is not a weakly prime, because it can be changed into another prime (538320927407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269160463713 + 269160463714.

It is an arithmetic number, because the mean of its divisors is an integer number (269160463714).

Almost surely, 2^538320927427 is an apocalyptic number.

538320927427 is a deficient number, since it is larger than the sum of its proper divisors (1).

538320927427 is an equidigital number, since it uses as much as digits as its factorization.

538320927427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 538320927427 in words is "five hundred thirty-eight billion, three hundred twenty million, nine hundred twenty-seven thousand, four hundred twenty-seven".