513796888697291 has 2 divisors, whose sum is σ = 513796888697292. Its totient is φ = 513796888697290.

The previous prime is 513796888697219. The next prime is 513796888697321. The reversal of 513796888697291 is 192796888697315.

Together with previous prime (513796888697219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513796888697291 - 2⁴² = 509398842186187 is a prime.

It is a super-2 number, since 2×513796888697291² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513796888697197 and 513796888697206.

It is not a weakly prime, because it can be changed into another prime (513796818697291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256898444348645 + 256898444348646.

It is an arithmetic number, because the mean of its divisors is an integer number (256898444348646).

Almost surely, 2^{513796888697291} is an apocalyptic number.

513796888697291 is a deficient number, since it is larger than the sum of its proper divisors (1).

513796888697291 is an equidigital number, since it uses as much as digits as its factorization.

513796888697291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19752284160, while the sum is 89.

The spelling of 513796888697291 in words is "five hundred thirteen trillion, seven hundred ninety-six billion, eight hundred eighty-eight million, six hundred ninety-seven thousand, two hundred ninety-one".