513013739129 has 2 divisors, whose sum is σ = 513013739130. Its totient is φ = 513013739128.

The previous prime is 513013739123. The next prime is 513013739221. The reversal of 513013739129 is 921937310315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418417509904 + 94596229225 = 646852^2 + 307565^2 .

It is a cyclic number.

It is not a de Polignac number, because 513013739129 - 2¹⁶ = 513013673593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513013739129.

It is not a weakly prime, because it can be changed into another prime (513013739123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256506869564 + 256506869565.

It is an arithmetic number, because the mean of its divisors is an integer number (256506869565).

Almost surely, 2^513013739129 is an apocalyptic number.

It is an amenable number.

513013739129 is a deficient number, since it is larger than the sum of its proper divisors (1).

513013739129 is an equidigital number, since it uses as much as digits as its factorization.

513013739129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The spelling of 513013739129 in words is "five hundred thirteen billion, thirteen million, seven hundred thirty-nine thousand, one hundred twenty-nine".