513202405412 has 6 divisors (see below), whose sum is σ = 898104209478. Its totient is φ = 256601202704.

The previous prime is 513202405369. The next prime is 513202405421. The reversal of 513202405412 is 214504202315.

It can be written as a sum of positive squares in only one way, i.e., 454146601216 + 59055804196 = 673904^2 + 243014^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64150300673 + ... + 64150300680.

It is an arithmetic number, because the mean of its divisors is an integer number (149684034913).

Almost surely, 2^513202405412 is an apocalyptic number.

It is an amenable number.

513202405412 is a deficient number, since it is larger than the sum of its proper divisors (384901804066).

513202405412 is a wasteful number, since it uses less digits than its factorization.

513202405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128300601357 (or 128300601355 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 513202405412 its reverse (214504202315), we get a palindrome (727706607727).

The spelling of 513202405412 in words is "five hundred thirteen billion, two hundred two million, four hundred five thousand, four hundred twelve".