104220248509 has 6 divisors (see below), whose sum is σ = 112853878746. Its totient is φ = 96203306160.

The previous prime is 104220248507. The next prime is 104220248513. The reversal of 104220248509 is 905842022401.

It can be written as a sum of positive squares in 3 ways, for example, as 7904988100 + 96315260409 = 88910^2 + 310347^2 .

It is not a de Polignac number, because 104220248509 - 2¹ = 104220248507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104220248507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308343762 + ... + 308344099.

It is an arithmetic number, because the mean of its divisors is an integer number (18808979791).

Almost surely, 2^104220248509 is an apocalyptic number.

It is an amenable number.

104220248509 is a deficient number, since it is larger than the sum of its proper divisors (8633630237).

104220248509 is an equidigital number, since it uses as much as digits as its factorization.

104220248509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616687887 (or 616687874 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 104220248509 in words is "one hundred four billion, two hundred twenty million, two hundred forty-eight thousand, five hundred nine".