513401332612 has 96 divisors (see below), whose sum is σ = 1066028221440. Its totient is φ = 211680000000.

The previous prime is 513401332603. The next prime is 513401332627. The reversal of 513401332612 is 216233104315.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427477612 + ... + 427478812.

It is an arithmetic number, because the mean of its divisors is an integer number (11104460640).

Almost surely, 2^513401332612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513401332612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533014110720).

513401332612 is an abundant number, since it is smaller than the sum of its proper divisors (552626888828).

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

513401332612 is a wasteful number, since it uses less digits than its factorization.

513401332612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 513401332612 its reverse (216233104315), we get a palindrome (729634436927).

The spelling of 513401332612 in words is "five hundred thirteen billion, four hundred one million, three hundred thirty-two thousand, six hundred twelve".