513244216236 has 24 divisors (see below), whose sum is σ = 1201187882944. Its totient is φ = 170564541840.

The previous prime is 513244216231. The next prime is 513244216241. The reversal of 513244216236 is 632612442315.

It is an interprime number because it is at equal distance from previous prime (513244216231) and next prime (513244216241).

It is a junction number, because it is equal to n+sod(n) for n = 513244216194 and 513244216203.

It is not an unprimeable number, because it can be changed into a prime (513244216231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64603810 + ... + 64611753.

Almost surely, 2^513244216236 is an apocalyptic number.

It is an amenable number.

513244216236 is an abundant number, since it is smaller than the sum of its proper divisors (687943666708).

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

513244216236 is a wasteful number, since it uses less digits than its factorization.

513244216236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129215901 (or 129215899 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The spelling of 513244216236 in words is "five hundred thirteen billion, two hundred forty-four million, two hundred sixteen thousand, two hundred thirty-six".