104221513597 has 2 divisors, whose sum is σ = 104221513598. Its totient is φ = 104221513596.

The previous prime is 104221513589. The next prime is 104221513619. The reversal of 104221513597 is 795315122401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104203713636 + 17799961 = 322806^2 + 4219^2 .

It is a cyclic number.

It is not a de Polignac number, because 104221513597 - 2³ = 104221513589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104221513537) 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, 52110756798 + 52110756799.

It is an arithmetic number, because the mean of its divisors is an integer number (52110756799).

Almost surely, 2^104221513597 is an apocalyptic number.

It is an amenable number.

104221513597 is a deficient number, since it is larger than the sum of its proper divisors (1).

104221513597 is an equidigital number, since it uses as much as digits as its factorization.

104221513597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

Adding to 104221513597 its reverse (795315122401), we get a palindrome (899536635998).

The spelling of 104221513597 in words is "one hundred four billion, two hundred twenty-one million, five hundred thirteen thousand, five hundred ninety-seven".