26843951047 has 2 divisors, whose sum is σ = 26843951048. Its totient is φ = 26843951046.

The previous prime is 26843951027. The next prime is 26843951077. The reversal of 26843951047 is 74015934862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26843951047 - 2¹⁹ = 26843426759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26843951027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13421975523 + 13421975524.

It is an arithmetic number, because the mean of its divisors is an integer number (13421975524).

It is a 1-persistent number, because it is pandigital, but 2⋅26843951047 = 53687902094 is not.

Almost surely, 2^26843951047 is an apocalyptic number.

26843951047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26843951047 is an equidigital number, since it uses as much as digits as its factorization.

26843951047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 26843951047 in words is "twenty-six billion, eight hundred forty-three million, nine hundred fifty-one thousand, forty-seven".