26671905241 has 4 divisors (see below), whose sum is σ = 26674675684. Its totient is φ = 26669134800.

The previous prime is 26671905233. The next prime is 26671905257. The reversal of 26671905241 is 14250917662.

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 9801792016 + 16870113225 = 99004^2 + 129885^2 .

It is a cyclic number.

It is not a de Polignac number, because 26671905241 - 2³ = 26671905233 is a prime.

It is a super-2 number, since 2×26671905241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26671905041) 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, 1370730 + ... + 1390051.

It is an arithmetic number, because the mean of its divisors is an integer number (6668668921).

Almost surely, 2^26671905241 is an apocalyptic number.

It is an amenable number.

26671905241 is a deficient number, since it is larger than the sum of its proper divisors (2770443).

26671905241 is an equidigital number, since it uses as much as digits as its factorization.

26671905241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770442.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 26671905241 in words is "twenty-six billion, six hundred seventy-one million, nine hundred five thousand, two hundred forty-one".