513893613229 has 2 divisors, whose sum is σ = 513893613230. Its totient is φ = 513893613228.

The previous prime is 513893613157. The next prime is 513893613251. The reversal of 513893613229 is 922316398315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460070541225 + 53823072004 = 678285^2 + 231998^2 .

It is a cyclic number.

It is not a de Polignac number, because 513893613229 - 2¹⁵ = 513893580461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513893613929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256946806614 + 256946806615.

It is an arithmetic number, because the mean of its divisors is an integer number (256946806615).

Almost surely, 2^513893613229 is an apocalyptic number.

It is an amenable number.

513893613229 is a deficient number, since it is larger than the sum of its proper divisors (1).

513893613229 is an equidigital number, since it uses as much as digits as its factorization.

513893613229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 52.

The spelling of 513893613229 in words is "five hundred thirteen billion, eight hundred ninety-three million, six hundred thirteen thousand, two hundred twenty-nine".