2047419209 has 4 divisors (see below), whose sum is σ = 2233548240. Its totient is φ = 1861290180.

The previous prime is 2047419193. The next prime is 2047419223. The reversal of 2047419209 is 9029147402.

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 2047419209 - 2⁴ = 2047419193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2047419229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93064499 + ... + 93064520.

It is an arithmetic number, because the mean of its divisors is an integer number (558387060).

Almost surely, 2^2047419209 is an apocalyptic number.

It is an amenable number.

2047419209 is a deficient number, since it is larger than the sum of its proper divisors (186129031).

2047419209 is a wasteful number, since it uses less digits than its factorization.

2047419209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186129030.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2047419209 is about 45248.4166463314. The cubic root of 2047419209 is about 1269.8007848806.

The spelling of 2047419209 in words is "two billion, forty-seven million, four hundred nineteen thousand, two hundred nine".