520246623403371 has 4 divisors (see below), whose sum is σ = 693662164537832. Its totient is φ = 346831082268912.

The previous prime is 520246623403369. The next prime is 520246623403373. The reversal of 520246623403371 is 173304326642025.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (520246623403369) and next prime (520246623403373).

It is not a de Polignac number, because 520246623403371 - 2¹ = 520246623403369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520246623403371.

It is not an unprimeable number, because it can be changed into a prime (520246623403373) 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, 86707770567226 + ... + 86707770567231.

It is an arithmetic number, because the mean of its divisors is an integer number (173415541134458).

Almost surely, 2^{520246623403371} is an apocalyptic number.

520246623403371 is a deficient number, since it is larger than the sum of its proper divisors (173415541134461).

520246623403371 is a wasteful number, since it uses less digits than its factorization.

520246623403371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173415541134460.

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 520246623403371 in words is "five hundred twenty trillion, two hundred forty-six billion, six hundred twenty-three million, four hundred three thousand, three hundred seventy-one".