26438930053 has 4 divisors (see below), whose sum is σ = 26439904960. Its totient is φ = 26437955148.

The previous prime is 26438930029. The next prime is 26438930059. The reversal of 26438930053 is 35003983462.

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 a de Polignac number, because none of the positive numbers 2^k-26438930053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26438929991 and 26438930009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26438930059) 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, 445575 + ... + 501412.

It is an arithmetic number, because the mean of its divisors is an integer number (6609976240).

Almost surely, 2^26438930053 is an apocalyptic number.

It is an amenable number.

26438930053 is a deficient number, since it is larger than the sum of its proper divisors (974907).

26438930053 is an equidigital number, since it uses as much as digits as its factorization.

26438930053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974906.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 26438930053 in words is "twenty-six billion, four hundred thirty-eight million, nine hundred thirty thousand, fifty-three".