538320927461 has 8 divisors (see below), whose sum is σ = 539782626240. Its totient is φ = 536861173408.

The previous prime is 538320927427. The next prime is 538320927497. The reversal of 538320927461 is 164729023835.

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 538320927461 - 2¹⁸ = 538320665317 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 (538310927461) 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, 69050 + ... + 1039908.

It is an arithmetic number, because the mean of its divisors is an integer number (67472828280).

It is a 1-persistent number, because it is pandigital, but 2⋅538320927461 = 1076641854922 is not.

Almost surely, 2^538320927461 is an apocalyptic number.

It is an amenable number.

538320927461 is a deficient number, since it is larger than the sum of its proper divisors (1461698779).

538320927461 is an equidigital number, since it uses as much as digits as its factorization.

538320927461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972363.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 538320927461 in words is "five hundred thirty-eight billion, three hundred twenty million, nine hundred twenty-seven thousand, four hundred sixty-one".