26423631601 has 4 divisors (see below), whose sum is σ = 26424015604. Its totient is φ = 26423247600.

The previous prime is 26423631583. The next prime is 26423631631. The reversal of 26423631601 is 10613632462.

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 11625152400 + 14798479201 = 107820^2 + 121649^2 .

It is a cyclic number.

It is not a de Polignac number, because 26423631601 - 2⁹ = 26423631089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26423631631) 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, 57270 + ... + 236911.

It is an arithmetic number, because the mean of its divisors is an integer number (6606003901).

Almost surely, 2^26423631601 is an apocalyptic number.

It is an amenable number.

26423631601 is a deficient number, since it is larger than the sum of its proper divisors (384003).

26423631601 is an equidigital number, since it uses as much as digits as its factorization.

26423631601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384002.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 26423631601 in words is "twenty-six billion, four hundred twenty-three million, six hundred thirty-one thousand, six hundred one".