520734496697 has 4 divisors (see below), whose sum is σ = 520738601040. Its totient is φ = 520730392356.

The previous prime is 520734496669. The next prime is 520734496741. The reversal of 520734496697 is 796694437025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520734496697 - 2⁸ = 520734496441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520734496657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855583 + ... + 2117700.

It is an arithmetic number, because the mean of its divisors is an integer number (130184650260).

Almost surely, 2^520734496697 is an apocalyptic number.

It is an amenable number.

520734496697 is a deficient number, since it is larger than the sum of its proper divisors (4104343).

520734496697 is a wasteful number, since it uses less digits than its factorization.

520734496697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104342.

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 520734496697 in words is "five hundred twenty billion, seven hundred thirty-four million, four hundred ninety-six thousand, six hundred ninety-seven".