513420734372 has 96 divisors (see below), whose sum is σ = 1124609740800. Its totient is φ = 199690468992.

The previous prime is 513420734341. The next prime is 513420734377. The reversal of 513420734372 is 273437024315.

It is not an unprimeable number, because it can be changed into a prime (513420734377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5162129 + ... + 5260647.

It is an arithmetic number, because the mean of its divisors is an integer number (11714684800).

Almost surely, 2^513420734372 is an apocalyptic number.

513420734372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513420734372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562304870400).

513420734372 is an abundant number, since it is smaller than the sum of its proper divisors (611189006428).

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

513420734372 is a wasteful number, since it uses less digits than its factorization.

513420734372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98785 (or 98783 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 41.

Adding to 513420734372 its reverse (273437024315), we get a palindrome (786857758687).

The spelling of 513420734372 in words is "five hundred thirteen billion, four hundred twenty million, seven hundred thirty-four thousand, three hundred seventy-two".