26253641651 has 2 divisors, whose sum is σ = 26253641652. Its totient is φ = 26253641650.

The previous prime is 26253641633. The next prime is 26253641653. The reversal of 26253641651 is 15614635262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26253641651 - 2¹⁰ = 26253640627 is a prime.

Together with 26253641653, 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 = 26253641599 and 26253641608.

It is not a weakly prime, because it can be changed into another prime (26253641653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126820825 + 13126820826.

It is an arithmetic number, because the mean of its divisors is an integer number (13126820826).

Almost surely, 2^26253641651 is an apocalyptic number.

26253641651 is a deficient number, since it is larger than the sum of its proper divisors (1).

26253641651 is an equidigital number, since it uses as much as digits as its factorization.

26253641651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The spelling of 26253641651 in words is "twenty-six billion, two hundred fifty-three million, six hundred forty-one thousand, six hundred fifty-one".