26768426851651 has 2 divisors, whose sum is σ = 26768426851652. Its totient is φ = 26768426851650.

The previous prime is 26768426851633. The next prime is 26768426851657. The reversal of 26768426851651 is 15615862486762.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26768426851651 - 2³⁹ = 26218671037763 is a prime.

It is a super-2 number, since 2×26768426851651² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26768426851657) 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, 13384213425825 + 13384213425826.

It is an arithmetic number, because the mean of its divisors is an integer number (13384213425826).

Almost surely, 2^{26768426851651} is an apocalyptic number.

26768426851651 is a deficient number, since it is larger than the sum of its proper divisors (1).

26768426851651 is an equidigital number, since it uses as much as digits as its factorization.

26768426851651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 232243200, while the sum is 67.

The spelling of 26768426851651 in words is "twenty-six trillion, seven hundred sixty-eight billion, four hundred twenty-six million, eight hundred fifty-one thousand, six hundred fifty-one".