513004351369 has 2 divisors, whose sum is σ = 513004351370. Its totient is φ = 513004351368.

The previous prime is 513004351331. The next prime is 513004351403. The reversal of 513004351369 is 963153400315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480311372025 + 32692979344 = 693045^2 + 180812^2 .

It is a cyclic number.

It is not a de Polignac number, because 513004351369 - 2⁷ = 513004351241 is a prime.

It is a super-2 number, since 2×513004351369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513004331369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256502175684 + 256502175685.

It is an arithmetic number, because the mean of its divisors is an integer number (256502175685).

Almost surely, 2^513004351369 is an apocalyptic number.

It is an amenable number.

513004351369 is a deficient number, since it is larger than the sum of its proper divisors (1).

513004351369 is an equidigital number, since it uses as much as digits as its factorization.

513004351369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 513004351369 in words is "five hundred thirteen billion, four million, three hundred fifty-one thousand, three hundred sixty-nine".