2585496919 has 2 divisors, whose sum is σ = 2585496920. Its totient is φ = 2585496918.

The previous prime is 2585496917. The next prime is 2585496929. The reversal of 2585496919 is 9196945852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585496919 - 2¹ = 2585496917 is a prime.

It is a super-2 number, since 2×2585496919² = 13369588636316985122, which contains 22 as substring.

Together with 2585496917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2585496917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292748459 + 1292748460.

It is an arithmetic number, because the mean of its divisors is an integer number (1292748460).

Almost surely, 2^2585496919 is an apocalyptic number.

2585496919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585496919 is an equidigital number, since it uses as much as digits as its factorization.

2585496919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 58.

The square root of 2585496919 is about 50847.7818493590. The cubic root of 2585496919 is about 1372.5073374060.

The spelling of 2585496919 in words is "two billion, five hundred eighty-five million, four hundred ninety-six thousand, nine hundred nineteen".