26098885457 has 2 divisors, whose sum is σ = 26098885458. Its totient is φ = 26098885456.

The previous prime is 26098885403. The next prime is 26098885493. The reversal of 26098885457 is 75458889062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23602484161 + 2496401296 = 153631^2 + 49964^2 .

It is a cyclic number.

It is not a de Polignac number, because 26098885457 - 2⁸ = 26098885201 is a prime.

It is a super-3 number, since 3×26098885457³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26098885457.

It is not a weakly prime, because it can be changed into another prime (26098887457) 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, 13049442728 + 13049442729.

It is an arithmetic number, because the mean of its divisors is an integer number (13049442729).

Almost surely, 2^26098885457 is an apocalyptic number.

It is an amenable number.

26098885457 is a deficient number, since it is larger than the sum of its proper divisors (1).

26098885457 is an equidigital number, since it uses as much as digits as its factorization.

26098885457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 26098885457 in words is "twenty-six billion, ninety-eight million, eight hundred eighty-five thousand, four hundred fifty-seven".