522152543215409 has 4 divisors (see below), whose sum is σ = 549634256016240. Its totient is φ = 494670830414580.

The previous prime is 522152543215399. The next prime is 522152543215441. The reversal of 522152543215409 is 904512345251225.

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 522152543215409 - 2¹⁶ = 522152543149873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522152543245409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13740856400387 + ... + 13740856400424.

It is an arithmetic number, because the mean of its divisors is an integer number (137408564004060).

Almost surely, 2^{522152543215409} is an apocalyptic number.

It is an amenable number.

522152543215409 is a deficient number, since it is larger than the sum of its proper divisors (27481712800831).

522152543215409 is a wasteful number, since it uses less digits than its factorization.

522152543215409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27481712800830.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 522152543215409 in words is "five hundred twenty-two trillion, one hundred fifty-two billion, five hundred forty-three million, two hundred fifteen thousand, four hundred nine".