28613767513 has 2 divisors, whose sum is σ = 28613767514. Its totient is φ = 28613767512.

The previous prime is 28613767493. The next prime is 28613767517. The reversal of 28613767513 is 31576731682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27228960144 + 1384807369 = 165012^2 + 37213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28613767513 is a prime.

It is not a weakly prime, because it can be changed into another prime (28613767517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14306883756 + 14306883757.

It is an arithmetic number, because the mean of its divisors is an integer number (14306883757).

Almost surely, 2^28613767513 is an apocalyptic number.

It is an amenable number.

28613767513 is a deficient number, since it is larger than the sum of its proper divisors (1).

28613767513 is an equidigital number, since it uses as much as digits as its factorization.

28613767513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The spelling of 28613767513 in words is "twenty-eight billion, six hundred thirteen million, seven hundred sixty-seven thousand, five hundred thirteen".