520959475427 has 8 divisors (see below), whose sum is σ = 521624752992. Its totient is φ = 520294436800.

The previous prime is 520959475417. The next prime is 520959475469. The reversal of 520959475427 is 724574959025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520959475427 - 2⁴ = 520959475411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520959475417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4526783 + ... + 4640439.

It is an arithmetic number, because the mean of its divisors is an integer number (65203094124).

Almost surely, 2^520959475427 is an apocalyptic number.

520959475427 is a deficient number, since it is larger than the sum of its proper divisors (665277565).

520959475427 is a wasteful number, since it uses less digits than its factorization.

520959475427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119469.

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 520959475427 in words is "five hundred twenty billion, nine hundred fifty-nine million, four hundred seventy-five thousand, four hundred twenty-seven".