2049919 has 2 divisors, whose sum is σ = 2049920. Its totient is φ = 2049918.

The previous prime is 2049893. The next prime is 2049941. The reversal of 2049919 is 9199402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2049919 - 2⁷ = 2049791 is a prime.

It is a super-2 number, since 2×2049919² = 8404335813122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049119) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024959 + 1024960.

It is an arithmetic number, because the mean of its divisors is an integer number (1024960).

2^2049919 is an apocalyptic number.

2049919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049919 is an equidigital number, since it uses as much as digits as its factorization.

2049919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2049919 is about 1431.7538196212. The cubic root of 2049919 is about 127.0317361323.

The spelling of 2049919 in words is "two million, forty-nine thousand, nine hundred nineteen".