2009451106 has 8 divisors (see below), whose sum is σ = 3246036444. Its totient is φ = 927438960.

The previous prime is 2009451013. The next prime is 2009451107. The reversal of 2009451106 is 6011549002.

It can be written as a sum of positive squares in 2 ways, for example, as 1938200625 + 71250481 = 44025^2 + 8441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×2009451106⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2009451107) 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 in 3 ways as a sum of consecutive naturals, for example, 38643265 + ... + 38643316.

Almost surely, 2^2009451106 is an apocalyptic number.

2009451106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2009451106 is a deficient number, since it is larger than the sum of its proper divisors (1236585338).

2009451106 is a wasteful number, since it uses less digits than its factorization.

2009451106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77286596.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2009451106 is about 44826.9015882204. The cubic root of 2009451106 is about 1261.9025398519.

The spelling of 2009451106 in words is "two billion, nine million, four hundred fifty-one thousand, one hundred six".