513222263463 has 96 divisors (see below), whose sum is σ = 894989813760. Its totient is φ = 255432528000.

The previous prime is 513222263443. The next prime is 513222263473. The reversal of 513222263463 is 364362222315.

It is not a de Polignac number, because 513222263463 - 2⁵ = 513222263431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513222263423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16910020 + ... + 16940342.

It is an arithmetic number, because the mean of its divisors is an integer number (9322810560).

Almost surely, 2^513222263463 is an apocalyptic number.

513222263463 is a deficient number, since it is larger than the sum of its proper divisors (381767550297).

513222263463 is a wasteful number, since it uses less digits than its factorization.

513222263463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30629 (or 30616 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

Adding to 513222263463 its reverse (364362222315), we get a palindrome (877584485778).

The spelling of 513222263463 in words is "five hundred thirteen billion, two hundred twenty-two million, two hundred sixty-three thousand, four hundred sixty-three".