26453460513 has 4 divisors (see below), whose sum is σ = 35271280688. Its totient is φ = 17635640340.

The previous prime is 26453460499. The next prime is 26453460559. The reversal of 26453460513 is 31506435462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26453460513 - 2⁹ = 26453460001 is a prime.

It is a super-2 number, since 2×26453460513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26453460563) 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 in 3 ways as a sum of consecutive naturals, for example, 4408910083 + ... + 4408910088.

It is an arithmetic number, because the mean of its divisors is an integer number (8817820172).

Almost surely, 2^26453460513 is an apocalyptic number.

It is an amenable number.

26453460513 is a deficient number, since it is larger than the sum of its proper divisors (8817820175).

26453460513 is an equidigital number, since it uses as much as digits as its factorization.

26453460513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817820174.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 26453460513 its reverse (31506435462), we get a palindrome (57959895975).

The spelling of 26453460513 in words is "twenty-six billion, four hundred fifty-three million, four hundred sixty thousand, five hundred thirteen".