2049448619 has 2 divisors, whose sum is σ = 2049448620. Its totient is φ = 2049448618.

The previous prime is 2049448613. The next prime is 2049448627. The reversal of 2049448619 is 9168449402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2049448619 - 2²⁰ = 2048400043 is a prime.

It is a super-2 number, since 2×2049448619² = 8400479283842014322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2049448613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024724309 + 1024724310.

It is an arithmetic number, because the mean of its divisors is an integer number (1024724310).

Almost surely, 2^2049448619 is an apocalyptic number.

2049448619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049448619 is an equidigital number, since it uses as much as digits as its factorization.

2049448619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2049448619 is about 45270.8362966712. The cubic root of 2049448619 is about 1270.2201901888.

The spelling of 2049448619 in words is "two billion, forty-nine million, four hundred forty-eight thousand, six hundred nineteen".