2955145209 has 4 divisors (see below), whose sum is σ = 3940193616. Its totient is φ = 1970096804.

The previous prime is 2955145199. The next prime is 2955145229. The reversal of 2955145209 is 9025415592.

It is a happy number.

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 2955145209 - 2¹¹ = 2955143161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2955145229) 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 3 ways as a sum of consecutive naturals, for example, 492524199 + ... + 492524204.

It is an arithmetic number, because the mean of its divisors is an integer number (985048404).

Almost surely, 2^2955145209 is an apocalyptic number.

It is an amenable number.

2955145209 is a deficient number, since it is larger than the sum of its proper divisors (985048407).

2955145209 is an equidigital number, since it uses as much as digits as its factorization.

2955145209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985048406.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 2955145209 is about 54361.2473090896. The cubic root of 2955145209 is about 1435.0254677055.

The spelling of 2955145209 in words is "two billion, nine hundred fifty-five million, one hundred forty-five thousand, two hundred nine".