26201656447 has 2 divisors, whose sum is σ = 26201656448. Its totient is φ = 26201656446.

The previous prime is 26201656417. The next prime is 26201656457. The reversal of 26201656447 is 74465610262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26201656447 - 2²³ = 26193267839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26201656417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100828223 + 13100828224.

It is an arithmetic number, because the mean of its divisors is an integer number (13100828224).

Almost surely, 2^26201656447 is an apocalyptic number.

26201656447 is a deficient number, since it is larger than the sum of its proper divisors (1).

26201656447 is an equidigital number, since it uses as much as digits as its factorization.

26201656447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 26201656447 in words is "twenty-six billion, two hundred one million, six hundred fifty-six thousand, four hundred forty-seven".