522147474634 has 4 divisors (see below), whose sum is σ = 783221211954. Its totient is φ = 261073737316.

The previous prime is 522147474617. The next prime is 522147474647. The reversal of 522147474634 is 436474741225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 452596599009 + 69550875625 = 672753^2 + 263725^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130536868657 + ... + 130536868660.

Almost surely, 2^522147474634 is an apocalyptic number.

522147474634 is a deficient number, since it is larger than the sum of its proper divisors (261073737320).

522147474634 is a wasteful number, since it uses less digits than its factorization.

522147474634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261073737319.

The product of its digits is 4515840, while the sum is 49.

The spelling of 522147474634 in words is "five hundred twenty-two billion, one hundred forty-seven million, four hundred seventy-four thousand, six hundred thirty-four".