513664423302 has 16 divisors (see below), whose sum is σ = 1027435498560. Its totient is φ = 171203699112.

The previous prime is 513664423297. The next prime is 513664423319. The reversal of 513664423302 is 203324466315.

It is a super-2 number, since 2×513664423302² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381152 + ... + 4496867.

It is an arithmetic number, because the mean of its divisors is an integer number (64214718660).

Almost surely, 2^513664423302 is an apocalyptic number.

513664423302 is an abundant number, since it is smaller than the sum of its proper divisors (513771075258).

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

513664423302 is a wasteful number, since it uses less digits than its factorization.

513664423302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887667.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 513664423302 its reverse (203324466315), we get a palindrome (716988889617).

The spelling of 513664423302 in words is "five hundred thirteen billion, six hundred sixty-four million, four hundred twenty-three thousand, three hundred two".