26223689951 has 2 divisors, whose sum is σ = 26223689952. Its totient is φ = 26223689950.

The previous prime is 26223689929. The next prime is 26223689953. The reversal of 26223689951 is 15998632262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26223689951 - 2²² = 26219495647 is a prime.

Together with 26223689953, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26223689893 and 26223689902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26223689953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13111844975 + 13111844976.

It is an arithmetic number, because the mean of its divisors is an integer number (13111844976).

Almost surely, 2^26223689951 is an apocalyptic number.

26223689951 is a deficient number, since it is larger than the sum of its proper divisors (1).

26223689951 is an equidigital number, since it uses as much as digits as its factorization.

26223689951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The spelling of 26223689951 in words is "twenty-six billion, two hundred twenty-three million, six hundred eighty-nine thousand, nine hundred fifty-one".