26961925675049 has 2 divisors, whose sum is σ = 26961925675050. Its totient is φ = 26961925675048.

The previous prime is 26961925675043. The next prime is 26961925675121. The reversal of 26961925675049 is 94057652916962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22116732282649 + 4845193392400 = 4702843^2 + 2201180^2 .

It is a cyclic number.

It is not a de Polignac number, because 26961925675049 - 2²⁰ = 26961924626473 is a prime.

It is a super-2 number, since 2×26961925675049² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26961925675043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13480962837524 + 13480962837525.

It is an arithmetic number, because the mean of its divisors is an integer number (13480962837525).

Almost surely, 2^{26961925675049} is an apocalyptic number.

It is an amenable number.

26961925675049 is a deficient number, since it is larger than the sum of its proper divisors (1).

26961925675049 is an equidigital number, since it uses as much as digits as its factorization.

26961925675049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 440899200, while the sum is 71.

The spelling of 26961925675049 in words is "twenty-six trillion, nine hundred sixty-one billion, nine hundred twenty-five million, six hundred seventy-five thousand, forty-nine".