26275650647 has 2 divisors, whose sum is σ = 26275650648. Its totient is φ = 26275650646.

The previous prime is 26275650641. The next prime is 26275650749. The reversal of 26275650647 is 74605657262.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26275650647 - 2²⁰ = 26274602071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26275650595 and 26275650604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26275650641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13137825323 + 13137825324.

It is an arithmetic number, because the mean of its divisors is an integer number (13137825324).

Almost surely, 2^26275650647 is an apocalyptic number.

26275650647 is a deficient number, since it is larger than the sum of its proper divisors (1).

26275650647 is an equidigital number, since it uses as much as digits as its factorization.

26275650647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 26275650647 in words is "twenty-six billion, two hundred seventy-five million, six hundred fifty thousand, six hundred forty-seven".