538330287423481 has 4 divisors (see below), whose sum is σ = 615234614198272. Its totient is φ = 461425960648692.

The previous prime is 538330287423479. The next prime is 538330287423503. The reversal of 538330287423481 is 184324782033835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538330287423481 - 2¹ = 538330287423479 is a prime.

It is a super-2 number, since 2×538330287423481² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538330287423451) 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, 38452163387385 + ... + 38452163387398.

It is an arithmetic number, because the mean of its divisors is an integer number (153808653549568).

Almost surely, 2^{538330287423481} is an apocalyptic number.

It is an amenable number.

538330287423481 is a deficient number, since it is larger than the sum of its proper divisors (76904326774791).

538330287423481 is an equidigital number, since it uses as much as digits as its factorization.

538330287423481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76904326774790.

The product of its (nonzero) digits is 92897280, while the sum is 61.

The spelling of 538330287423481 in words is "five hundred thirty-eight trillion, three hundred thirty billion, two hundred eighty-seven million, four hundred twenty-three thousand, four hundred eighty-one".