26741854713617 has 2 divisors, whose sum is σ = 26741854713618. Its totient is φ = 26741854713616.

The previous prime is 26741854713551. The next prime is 26741854713689. The reversal of 26741854713617 is 71631745814762.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26202840314641 + 539014398976 = 5118871^2 + 734176^2 .

It is a cyclic number.

It is not a de Polignac number, because 26741854713617 - 2²² = 26741850519313 is a prime.

It is a super-2 number, since 2×26741854713617² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26741854713617.

It is not a weakly prime, because it can be changed into another prime (26741854716617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13370927356808 + 13370927356809.

It is an arithmetic number, because the mean of its divisors is an integer number (13370927356809).

Almost surely, 2^{26741854713617} is an apocalyptic number.

It is an amenable number.

26741854713617 is a deficient number, since it is larger than the sum of its proper divisors (1).

26741854713617 is an equidigital number, since it uses as much as digits as its factorization.

26741854713617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47416320, while the sum is 62.

The spelling of 26741854713617 in words is "twenty-six trillion, seven hundred forty-one billion, eight hundred fifty-four million, seven hundred thirteen thousand, six hundred seventeen".