104042400997 has 2 divisors, whose sum is σ = 104042400998. Its totient is φ = 104042400996.

The previous prime is 104042400989. The next prime is 104042401007. The reversal of 104042400997 is 799004240401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79326159201 + 24716241796 = 281649^2 + 157214^2 .

It is an emirp because it is prime and its reverse (799004240401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104042400997 - 2³ = 104042400989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104042400977) 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, 52021200498 + 52021200499.

It is an arithmetic number, because the mean of its divisors is an integer number (52021200499).

Almost surely, 2^104042400997 is an apocalyptic number.

It is an amenable number.

104042400997 is a deficient number, since it is larger than the sum of its proper divisors (1).

104042400997 is an equidigital number, since it uses as much as digits as its factorization.

104042400997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 104042400997 in words is "one hundred four billion, forty-two million, four hundred thousand, nine hundred ninety-seven".