26523363641 has 4 divisors (see below), whose sum is σ = 26732209152. Its totient is φ = 26314518132.

The previous prime is 26523363623. The next prime is 26523363649. The reversal of 26523363641 is 14636332562.

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 a cyclic number.

It is not a de Polignac number, because 26523363641 - 2⁶ = 26523363577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26523363649) 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, 104422565 + ... + 104422818.

It is an arithmetic number, because the mean of its divisors is an integer number (6683052288).

Almost surely, 2^26523363641 is an apocalyptic number.

It is an amenable number.

26523363641 is a deficient number, since it is larger than the sum of its proper divisors (208845511).

26523363641 is a wasteful number, since it uses less digits than its factorization.

26523363641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208845510.

The product of its digits is 466560, while the sum is 41.

The spelling of 26523363641 in words is "twenty-six billion, five hundred twenty-three million, three hundred sixty-three thousand, six hundred forty-one".