520547475994 has 16 divisors (see below), whose sum is σ = 961010725248. Its totient is φ = 205930869552.

The previous prime is 520547475991. The next prime is 520547475997. The reversal of 520547475994 is 499574745025.

It is an interprime number because it is at equal distance from previous prime (520547475991) and next prime (520547475997).

It is not an unprimeable number, because it can be changed into a prime (520547475991) 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, 1430075302 + ... + 1430075665.

It is an arithmetic number, because the mean of its divisors is an integer number (60063170328).

Almost surely, 2^520547475994 is an apocalyptic number.

520547475994 is a deficient number, since it is larger than the sum of its proper divisors (440463249254).

520547475994 is a wasteful number, since it uses less digits than its factorization.

520547475994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860150989.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 520547475994 in words is "five hundred twenty billion, five hundred forty-seven million, four hundred seventy-five thousand, nine hundred ninety-four".