513401333420 has 12 divisors (see below), whose sum is σ = 1078142800224. Its totient is φ = 205360533360.

The previous prime is 513401333413. The next prime is 513401333437. The reversal of 513401333420 is 24333104315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12835033316 + ... + 12835033355.

It is an arithmetic number, because the mean of its divisors is an integer number (89845233352).

Almost surely, 2^513401333420 is an apocalyptic number.

It is an amenable number.

513401333420 is an abundant number, since it is smaller than the sum of its proper divisors (564741466804).

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

513401333420 is a wasteful number, since it uses less digits than its factorization.

513401333420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25670066680 (or 25670066678 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 513401333420 its reverse (24333104315), we get a palindrome (537734437735).

The spelling of 513401333420 in words is "five hundred thirteen billion, four hundred one million, three hundred thirty-three thousand, four hundred twenty".