520102404453 has 8 divisors (see below), whose sum is σ = 693623551168. Its totient is φ = 346658097024.

The previous prime is 520102404443. The next prime is 520102404487. The reversal of 520102404453 is 354404201025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520102404453 - 2⁸ = 520102404197 is a prime.

It is a super-2 number, since 2×520102404453² (a number of 24 digits) contains 22 as substring.

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 520102404453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520102404403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19194025 + ... + 19221102.

It is an arithmetic number, because the mean of its divisors is an integer number (86702943896).

Almost surely, 2^520102404453 is an apocalyptic number.

It is an amenable number.

520102404453 is a deficient number, since it is larger than the sum of its proper divisors (173521146715).

520102404453 is a wasteful number, since it uses less digits than its factorization.

520102404453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38419643.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 520102404453 its reverse (354404201025), we get a palindrome (874506605478).

The spelling of 520102404453 in words is "five hundred twenty billion, one hundred two million, four hundred four thousand, four hundred fifty-three".