26454950933 has 2 divisors, whose sum is σ = 26454950934. Its totient is φ = 26454950932.

The previous prime is 26454950891. The next prime is 26454950939. The reversal of 26454950933 is 33905945462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14590948849 + 11864002084 = 120793^2 + 108922^2 .

It is a cyclic number.

It is not a de Polignac number, because 26454950933 - 2¹⁰ = 26454949909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26454950939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13227475466 + 13227475467.

It is an arithmetic number, because the mean of its divisors is an integer number (13227475467).

Almost surely, 2^26454950933 is an apocalyptic number.

It is an amenable number.

26454950933 is a deficient number, since it is larger than the sum of its proper divisors (1).

26454950933 is an equidigital number, since it uses as much as digits as its factorization.

26454950933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 26454950933 in words is "twenty-six billion, four hundred fifty-four million, nine hundred fifty thousand, nine hundred thirty-three".