26476467449 has 2 divisors, whose sum is σ = 26476467450. Its totient is φ = 26476467448.

The previous prime is 26476467401. The next prime is 26476467487. The reversal of 26476467449 is 94476467462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18020377600 + 8456089849 = 134240^2 + 91957^2 .

It is a cyclic number.

It is not a de Polignac number, because 26476467449 - 2²⁴ = 26459690233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26476467349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13238233724 + 13238233725.

It is an arithmetic number, because the mean of its divisors is an integer number (13238233725).

Almost surely, 2^26476467449 is an apocalyptic number.

It is an amenable number.

26476467449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26476467449 is an equidigital number, since it uses as much as digits as its factorization.

26476467449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48771072, while the sum is 59.

The spelling of 26476467449 in words is "twenty-six billion, four hundred seventy-six million, four hundred sixty-seven thousand, four hundred forty-nine".