5128617444413 has 2 divisors, whose sum is σ = 5128617444414. Its totient is φ = 5128617444412.

The previous prime is 5128617444389. The next prime is 5128617444463. The reversal of 5128617444413 is 3144447168215.

It is an a-pointer prime, because the next prime (5128617444463) can be obtained adding 5128617444413 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4668875134564 + 459742309849 = 2160758^2 + 678043^2 .

It is a cyclic number.

It is not a de Polignac number, because 5128617444413 - 2²⁸ = 5128349008957 is a prime.

It is a super-2 number, since 2×5128617444413² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5128617444463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564308722206 + 2564308722207.

It is an arithmetic number, because the mean of its divisors is an integer number (2564308722207).

Almost surely, 2^{5128617444413} is an apocalyptic number.

It is an amenable number.

5128617444413 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128617444413 is an equidigital number, since it uses as much as digits as its factorization.

5128617444413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 50.

The spelling of 5128617444413 in words is "five trillion, one hundred twenty-eight billion, six hundred seventeen million, four hundred forty-four thousand, four hundred thirteen".