100736609209 has 4 divisors (see below), whose sum is σ = 103986177280. Its totient is φ = 97487041140.

The previous prime is 100736609131. The next prime is 100736609231. The reversal of 100736609209 is 902906637001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100736609209 - 2⁹ = 100736608697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100736609269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624783989 + ... + 1624784050.

It is an arithmetic number, because the mean of its divisors is an integer number (25996544320).

Almost surely, 2^100736609209 is an apocalyptic number.

It is an amenable number.

100736609209 is a deficient number, since it is larger than the sum of its proper divisors (3249568071).

100736609209 is an equidigital number, since it uses as much as digits as its factorization.

100736609209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249568070.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 100736609209 in words is "one hundred billion, seven hundred thirty-six million, six hundred nine thousand, two hundred nine".