26221106471 has 4 divisors (see below), whose sum is σ = 29966978832. Its totient is φ = 22475234112.

The previous prime is 26221106453. The next prime is 26221106479. The reversal of 26221106471 is 17460112262.

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 26221106471 - 2²⁶ = 26153997607 is a prime.

It is a super-3 number, since 3×26221106471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26221106479) 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, 1872936170 + ... + 1872936183.

It is an arithmetic number, because the mean of its divisors is an integer number (7491744708).

Almost surely, 2^26221106471 is an apocalyptic number.

26221106471 is a deficient number, since it is larger than the sum of its proper divisors (3745872361).

26221106471 is an equidigital number, since it uses as much as digits as its factorization.

26221106471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745872360.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 26221106471 in words is "twenty-six billion, two hundred twenty-one million, one hundred six thousand, four hundred seventy-one".