2009345450108 has 36 divisors (see below), whose sum is σ = 3614973083568. Its totient is φ = 977235557760.

The previous prime is 2009345450081. The next prime is 2009345450131. The reversal of 2009345450108 is 8010545439002.

It is a super-2 number, since 2×2009345450108² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218785 + ... + 2346087.

It is an arithmetic number, because the mean of its divisors is an integer number (100415918988).

Almost surely, 2^{2009345450108} is an apocalyptic number.

It is an amenable number.

2009345450108 is a deficient number, since it is larger than the sum of its proper divisors (1605627633460).

2009345450108 is a wasteful number, since it uses less digits than its factorization.

2009345450108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127634 (or 1127589 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 2009345450108 in words is "two trillion, nine billion, three hundred forty-five million, four hundred fifty thousand, one hundred eight".