104491303642457 has 2 divisors, whose sum is σ = 104491303642458. Its totient is φ = 104491303642456.

The previous prime is 104491303642423. The next prime is 104491303642459. The reversal of 104491303642457 is 754246303194401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87118254368656 + 17373049273801 = 9333716^2 + 4168099^2 .

It is a cyclic number.

It is not a de Polignac number, because 104491303642457 - 2¹² = 104491303638361 is a prime.

Together with 104491303642459, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 104491303642399 and 104491303642408.

It is not a weakly prime, because it can be changed into another prime (104491303642459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52245651821228 + 52245651821229.

It is an arithmetic number, because the mean of its divisors is an integer number (52245651821229).

Almost surely, 2^{104491303642457} is an apocalyptic number.

It is an amenable number.

104491303642457 is a deficient number, since it is larger than the sum of its proper divisors (1).

104491303642457 is an equidigital number, since it uses as much as digits as its factorization.

104491303642457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 104491303642457 in words is "one hundred four trillion, four hundred ninety-one billion, three hundred three million, six hundred forty-two thousand, four hundred fifty-seven".