2009451107 has 2 divisors, whose sum is σ = 2009451108. Its totient is φ = 2009451106.

The previous prime is 2009451013. The next prime is 2009451109. The reversal of 2009451107 is 7011549002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009451107 - 2²⁰ = 2008402531 is a prime.

Together with 2009451109, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2009451107.

It is not a weakly prime, because it can be changed into another prime (2009451109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004725553 + 1004725554.

It is an arithmetic number, because the mean of its divisors is an integer number (1004725554).

Almost surely, 2^2009451107 is an apocalyptic number.

2009451107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009451107 is an equidigital number, since it uses as much as digits as its factorization.

2009451107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2009451107 is about 44826.9015993745. The cubic root of 2009451107 is about 1261.9025400612.

The spelling of 2009451107 in words is "two billion, nine million, four hundred fifty-one thousand, one hundred seven".