513244212545204 has 36 divisors (see below), whose sum is σ = 1057406751180864. Its totient is φ = 217311663136176.

The previous prime is 513244212545189. The next prime is 513244212545333. The reversal of 513244212545204 is 402545212442315.

It is a super-2 number, since 2×513244212545204² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 15774639884 + ... + 15774672419.

It is an arithmetic number, because the mean of its divisors is an integer number (29372409755024).

Almost surely, 2^{513244212545204} is an apocalyptic number.

It is an amenable number.

513244212545204 is an abundant number, since it is smaller than the sum of its proper divisors (544162538635660).

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

513244212545204 is a wasteful number, since it uses less digits than its factorization.

513244212545204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31549312404 (or 31549312395 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 513244212545204 its reverse (402545212442315), we get a palindrome (915789424987519).

The spelling of 513244212545204 in words is "five hundred thirteen trillion, two hundred forty-four billion, two hundred twelve million, five hundred forty-five thousand, two hundred four".