26164062340513 has 4 divisors (see below), whose sum is σ = 26164120097428. Its totient is φ = 26164004583600.

The previous prime is 26164062340477. The next prime is 26164062340517. The reversal of 26164062340513 is 31504326046162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19374848445969 + 6789213894544 = 4401687^2 + 2605612^2 .

It is a cyclic number.

It is not a de Polignac number, because 26164062340513 - 2¹³ = 26164062332321 is a prime.

It is a super-2 number, since 2×26164062340513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26164062340513.

It is not an unprimeable number, because it can be changed into a prime (26164062340517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28193538 + ... + 29106763.

It is an arithmetic number, because the mean of its divisors is an integer number (6541030024357).

Almost surely, 2^{26164062340513} is an apocalyptic number.

It is an amenable number.

26164062340513 is a deficient number, since it is larger than the sum of its proper divisors (57756915).

26164062340513 is an equidigital number, since it uses as much as digits as its factorization.

26164062340513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57756914.

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 26164062340513 its reverse (31504326046162), we get a palindrome (57668388386675).

The spelling of 26164062340513 in words is "twenty-six trillion, one hundred sixty-four billion, sixty-two million, three hundred forty thousand, five hundred thirteen".