538738647171404 has 6 divisors (see below), whose sum is σ = 942792632549964. Its totient is φ = 269369323585700.

The previous prime is 538738647171341. The next prime is 538738647171433. The reversal of 538738647171404 is 404171746837835.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67342330896422 + ... + 67342330896429.

It is an arithmetic number, because the mean of its divisors is an integer number (157132105424994).

Almost surely, 2^{538738647171404} is an apocalyptic number.

It is an amenable number.

538738647171404 is a deficient number, since it is larger than the sum of its proper divisors (404053985378560).

538738647171404 is a wasteful number, since it uses less digits than its factorization.

538738647171404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134684661792855 (or 134684661792853 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 68.

The spelling of 538738647171404 in words is "five hundred thirty-eight trillion, seven hundred thirty-eight billion, six hundred forty-seven million, one hundred seventy-one thousand, four hundred four".