520534299999 has 16 divisors (see below), whose sum is σ = 793256355072. Its totient is φ = 297425209728.

The previous prime is 520534299983. The next prime is 520534300007. The reversal of 520534299999 is 999992435025.

It is not a de Polignac number, because 520534299999 - 2⁴ = 520534299983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520534299499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676314 + ... + 1224119.

It is an arithmetic number, because the mean of its divisors is an integer number (49578522192).

Almost surely, 2^520534299999 is an apocalyptic number.

520534299999 is a deficient number, since it is larger than the sum of its proper divisors (272722055073).

520534299999 is a wasteful number, since it uses less digits than its factorization.

520534299999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913486.

The product of its (nonzero) digits is 70858800, while the sum is 66.

The spelling of 520534299999 in words is "five hundred twenty billion, five hundred thirty-four million, two hundred ninety-nine thousand, nine hundred ninety-nine".