1808864119 has 2 divisors, whose sum is σ = 1808864120. Its totient is φ = 1808864118.

The previous prime is 1808864093. The next prime is 1808864147. The reversal of 1808864119 is 9114688081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1808864119 - 2¹⁵ = 1808831351 is a prime.

It is a super-2 number, since 2×1808864119² = 6543978802011292322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1808864149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904432059 + 904432060.

It is an arithmetic number, because the mean of its divisors is an integer number (904432060).

Almost surely, 2^1808864119 is an apocalyptic number.

1808864119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1808864119 is an equidigital number, since it uses as much as digits as its factorization.

1808864119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 46.

The square root of 1808864119 is about 42530.7432218154. The cubic root of 1808864119 is about 1218.4339215082.

The spelling of 1808864119 in words is "one billion, eight hundred eight million, eight hundred sixty-four thousand, one hundred nineteen".