855596419 has 2 divisors, whose sum is σ = 855596420. Its totient is φ = 855596418.

The previous prime is 855596393. The next prime is 855596459. The reversal of 855596419 is 914695558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 855596419 - 2¹¹ = 855594371 is a prime.

It is a super-2 number, since 2×855596419² = 1464090464411247122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (855596459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427798209 + 427798210.

It is an arithmetic number, because the mean of its divisors is an integer number (427798210).

Almost surely, 2^855596419 is an apocalyptic number.

855596419 is a deficient number, since it is larger than the sum of its proper divisors (1).

855596419 is an equidigital number, since it uses as much as digits as its factorization.

855596419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 52.

The square root of 855596419 is about 29250.5798062192. The cubic root of 855596419 is about 949.3426362777.

The spelling of 855596419 in words is "eight hundred fifty-five million, five hundred ninety-six thousand, four hundred nineteen".