520573505379 has 8 divisors (see below), whose sum is σ = 694128571920. Its totient is φ = 347033721216.

The previous prime is 520573505369. The next prime is 520573505401. The reversal of 520573505379 is 973505375025.

It is a happy number.

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

It is not a de Polignac number, because 520573505379 - 2⁷ = 520573505251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520573505369) 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, 3740874 + ... + 3877535.

It is an arithmetic number, because the mean of its divisors is an integer number (86766071490).

Almost surely, 2^520573505379 is an apocalyptic number.

520573505379 is a deficient number, since it is larger than the sum of its proper divisors (173555066541).

520573505379 is a wasteful number, since it uses less digits than its factorization.

520573505379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641189.

The product of its (nonzero) digits is 4961250, while the sum is 51.

The spelling of 520573505379 in words is "five hundred twenty billion, five hundred seventy-three million, five hundred five thousand, three hundred seventy-nine".