538897289506 has 16 divisors (see below), whose sum is σ = 816028481664. Its totient is φ = 266890889664.

The previous prime is 538897289473. The next prime is 538897289507. The reversal of 538897289506 is 605982798835.

It is not an unprimeable number, because it can be changed into a prime (538897289507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423966 + ... + 1121401.

It is an arithmetic number, because the mean of its divisors is an integer number (51001780104).

Almost surely, 2^538897289506 is an apocalyptic number.

538897289506 is a deficient number, since it is larger than the sum of its proper divisors (277131192158).

538897289506 is a wasteful number, since it uses less digits than its factorization.

538897289506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547025.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 538897289506 in words is "five hundred thirty-eight billion, eight hundred ninety-seven million, two hundred eighty-nine thousand, five hundred six".