520217338534 has 16 divisors (see below), whose sum is σ = 793586211840. Its totient is φ = 255688982920.

The previous prime is 520217338483. The next prime is 520217338541. The reversal of 520217338534 is 435833712025.

It is a super-3 number, since 3×520217338534³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092619 + ... + 3256489.

It is an arithmetic number, because the mean of its divisors is an integer number (49599138240).

Almost surely, 2^520217338534 is an apocalyptic number.

520217338534 is a deficient number, since it is larger than the sum of its proper divisors (273368873306).

520217338534 is a wasteful number, since it uses less digits than its factorization.

520217338534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190835.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 520217338534 in words is "five hundred twenty billion, two hundred seventeen million, three hundred thirty-eight thousand, five hundred thirty-four".