26742383849 has 2 divisors, whose sum is σ = 26742383850. Its totient is φ = 26742383848.

The previous prime is 26742383831. The next prime is 26742383861. The reversal of 26742383849 is 94838324762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19525031824 + 7217352025 = 139732^2 + 84955^2 .

It is a cyclic number.

It is not a de Polignac number, because 26742383849 - 2⁸ = 26742383593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26742383794 and 26742383803.

It is not a weakly prime, because it can be changed into another prime (26742380849) 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, 13371191924 + 13371191925.

It is an arithmetic number, because the mean of its divisors is an integer number (13371191925).

Almost surely, 2^26742383849 is an apocalyptic number.

It is an amenable number.

26742383849 is a deficient number, since it is larger than the sum of its proper divisors (1).

26742383849 is an equidigital number, since it uses as much as digits as its factorization.

26742383849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 56.

The spelling of 26742383849 in words is "twenty-six billion, seven hundred forty-two million, three hundred eighty-three thousand, eight hundred forty-nine".