513321123299 has 2 divisors, whose sum is σ = 513321123300. Its totient is φ = 513321123298.

The previous prime is 513321123253. The next prime is 513321123323. The reversal of 513321123299 is 992321123315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513321123299 - 2¹² = 513321119203 is a prime.

It is not a weakly prime, because it can be changed into another prime (513321123599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256660561649 + 256660561650.

It is an arithmetic number, because the mean of its divisors is an integer number (256660561650).

Almost surely, 2^513321123299 is an apocalyptic number.

513321123299 is a deficient number, since it is larger than the sum of its proper divisors (1).

513321123299 is an equidigital number, since it uses as much as digits as its factorization.

513321123299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The spelling of 513321123299 in words is "five hundred thirteen billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred ninety-nine".