5278065913 has 2 divisors, whose sum is σ = 5278065914. Its totient is φ = 5278065912.

The previous prime is 5278065893. The next prime is 5278065937. The reversal of 5278065913 is 3195608725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5220351504 + 57714409 = 72252^2 + 7597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5278065913 is a prime.

It is not a weakly prime, because it can be changed into another prime (5278065953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639032956 + 2639032957.

It is an arithmetic number, because the mean of its divisors is an integer number (2639032957).

Almost surely, 2^5278065913 is an apocalyptic number.

It is an amenable number.

5278065913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278065913 is an equidigital number, since it uses as much as digits as its factorization.

5278065913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 5278065913 is about 72650.2987812163. The cubic root of 5278065913 is about 1741.1048948687.

The spelling of 5278065913 in words is "five billion, two hundred seventy-eight million, sixty-five thousand, nine hundred thirteen".