26145422454163 has 4 divisors (see below), whose sum is σ = 26180236599328. Its totient is φ = 26110608309000.

The previous prime is 26145422454143. The next prime is 26145422454181. The reversal of 26145422454163 is 36145422454162.

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

It is a cyclic number.

It is not a de Polignac number, because 26145422454163 - 2⁹ = 26145422453651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26145422454103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17407071456 + ... + 17407072957.

It is an arithmetic number, because the mean of its divisors is an integer number (6545059149832).

Almost surely, 2^{26145422454163} is an apocalyptic number.

26145422454163 is a deficient number, since it is larger than the sum of its proper divisors (34814145165).

26145422454163 is an equidigital number, since it uses as much as digits as its factorization.

26145422454163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34814145164.

The product of its digits is 5529600, while the sum is 49.

Subtracting 26145422454163 from its reverse (36145422454162), we obtain a palindrome (9999999999999).

The spelling of 26145422454163 in words is "twenty-six trillion, one hundred forty-five billion, four hundred twenty-two million, four hundred fifty-four thousand, one hundred sixty-three".