26466432647223 has 4 divisors (see below), whose sum is σ = 35288576862968. Its totient is φ = 17644288431480.

The previous prime is 26466432647159. The next prime is 26466432647227. The reversal of 26466432647223 is 32274623466462.

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

It is not a de Polignac number, because 26466432647223 - 2⁶ = 26466432647159 is a prime.

It is a super-2 number, since 2×26466432647223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26466432647227) 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, 4411072107868 + ... + 4411072107873.

It is an arithmetic number, because the mean of its divisors is an integer number (8822144215742).

Almost surely, 2^{26466432647223} is an apocalyptic number.

26466432647223 is a deficient number, since it is larger than the sum of its proper divisors (8822144215745).

26466432647223 is an equidigital number, since it uses as much as digits as its factorization.

26466432647223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822144215744.

The product of its digits is 83607552, while the sum is 57.

The spelling of 26466432647223 in words is "twenty-six trillion, four hundred sixty-six billion, four hundred thirty-two million, six hundred forty-seven thousand, two hundred twenty-three".