520268894947 has 8 divisors (see below), whose sum is σ = 525148655616. Its totient is φ = 515389457352.

The previous prime is 520268894927. The next prime is 520268894953. The reversal of 520268894947 is 749498862025.

It is a happy number.

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 520268894947 - 2²⁷ = 520134677219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520268894927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4226058 + ... + 4347424.

It is an arithmetic number, because the mean of its divisors is an integer number (65643581952).

Almost surely, 2^520268894947 is an apocalyptic number.

520268894947 is a deficient number, since it is larger than the sum of its proper divisors (4879760669).

520268894947 is a wasteful number, since it uses less digits than its factorization.

520268894947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161537.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 520268894947 in words is "five hundred twenty billion, two hundred sixty-eight million, eight hundred ninety-four thousand, nine hundred forty-seven".