2047169819 has 2 divisors, whose sum is σ = 2047169820. Its totient is φ = 2047169818.

The previous prime is 2047169807. The next prime is 2047169849. The reversal of 2047169819 is 9189617402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2047169819 - 2²⁰ = 2046121243 is a prime.

It is a super-2 number, since 2×2047169819² = 8381808535648985522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2047169849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023584909 + 1023584910.

It is an arithmetic number, because the mean of its divisors is an integer number (1023584910).

Almost surely, 2^2047169819 is an apocalyptic number.

2047169819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047169819 is an equidigital number, since it uses as much as digits as its factorization.

2047169819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 2047169819 is about 45245.6607753716. The cubic root of 2047169819 is about 1269.7492259106.

The spelling of 2047169819 in words is "two billion, forty-seven million, one hundred sixty-nine thousand, eight hundred nineteen".