513349738632 has 48 divisors (see below), whose sum is σ = 1390385808240. Its totient is φ = 171108751968.

The previous prime is 513349738609. The next prime is 513349738669. The reversal of 513349738632 is 236837943315.

513349738632 is a `hidden beast` number, since 513 + 3 + 4 + 97 + 3 + 8 + 6 + 32 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1545243 + ... + 1847829.

It is an arithmetic number, because the mean of its divisors is an integer number (28966371005).

Almost surely, 2^513349738632 is an apocalyptic number.

It is an amenable number.

513349738632 is an abundant number, since it is smaller than the sum of its proper divisors (877036069608).

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

513349738632 is a wasteful number, since it uses less digits than its factorization.

513349738632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326162 (or 326155 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 513349738632 in words is "five hundred thirteen billion, three hundred forty-nine million, seven hundred thirty-eight thousand, six hundred thirty-two".