109450635609 has 16 divisors (see below), whose sum is σ = 170185635200. Its totient is φ = 62543219760.

The previous prime is 109450635599. The next prime is 109450635653. The reversal of 109450635609 is 906536054901.

It is a happy number.

It is not a de Polignac number, because 109450635609 - 2⁸ = 109450635353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109450635689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53181982 + ... + 53184039.

It is an arithmetic number, because the mean of its divisors is an integer number (10636602200).

Almost surely, 2^109450635609 is an apocalyptic number.

It is an amenable number.

109450635609 is a deficient number, since it is larger than the sum of its proper divisors (60734999591).

109450635609 is an equidigital number, since it uses as much as digits as its factorization.

109450635609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106366045 (or 106366031 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 109450635609 in words is "one hundred nine billion, four hundred fifty million, six hundred thirty-five thousand, six hundred nine".