513424523343452 has 48 divisors (see below), whose sum is σ = 1039277592955392. Its totient is φ = 217376111678400.

The previous prime is 513424523343449. The next prime is 513424523343527. The reversal of 513424523343452 is 254343325424315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 513424523343452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36495713 + ... + 48567335.

It is an arithmetic number, because the mean of its divisors is an integer number (21651616519904).

Almost surely, 2^{513424523343452} is an apocalyptic number.

It is an amenable number.

513424523343452 is an abundant number, since it is smaller than the sum of its proper divisors (525853069611940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513424523343452 is a wasteful number, since it uses less digits than its factorization.

513424523343452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12090018 (or 12090016 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 50.

Adding to 513424523343452 its reverse (254343325424315), we get a palindrome (767767848767767).

The spelling of 513424523343452 in words is "five hundred thirteen trillion, four hundred twenty-four billion, five hundred twenty-three million, three hundred forty-three thousand, four hundred fifty-two".