2667419849 has 2 divisors, whose sum is σ = 2667419850. Its totient is φ = 2667419848.

The previous prime is 2667419789. The next prime is 2667419851. The reversal of 2667419849 is 9489147662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1541347600 + 1126072249 = 39260^2 + 33557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2667419849 is a prime.

Together with 2667419851, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2667419794 and 2667419803.

It is not a weakly prime, because it can be changed into another prime (2667419749) 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, 1333709924 + 1333709925.

It is an arithmetic number, because the mean of its divisors is an integer number (1333709925).

Almost surely, 2^2667419849 is an apocalyptic number.

It is an amenable number.

2667419849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2667419849 is an equidigital number, since it uses as much as digits as its factorization.

2667419849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The square root of 2667419849 is about 51647.0700911484. The cubic root of 2667419849 is about 1386.8530932772.

The spelling of 2667419849 in words is "two billion, six hundred sixty-seven million, four hundred nineteen thousand, eight hundred forty-nine".