520673853407 has 8 divisors (see below), whose sum is σ = 521044497792. Its totient is φ = 520303311000.

The previous prime is 520673853389. The next prime is 520673853443. The reversal of 520673853407 is 704358376025.

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 520673853407 - 2¹⁰ = 520673852383 is a prime.

It is a super-2 number, since 2×520673853407² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520673873407) 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, 12209432 + ... + 12252002.

It is an arithmetic number, because the mean of its divisors is an integer number (65130562224).

Almost surely, 2^520673853407 is an apocalyptic number.

520673853407 is a deficient number, since it is larger than the sum of its proper divisors (370644385).

520673853407 is a wasteful number, since it uses less digits than its factorization.

520673853407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50989.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 520673853407 in words is "five hundred twenty billion, six hundred seventy-three million, eight hundred fifty-three thousand, four hundred seven".