2867194949 has 2 divisors, whose sum is σ = 2867194950. Its totient is φ = 2867194948.

The previous prime is 2867194919. The next prime is 2867194951. The reversal of 2867194949 is 9494917682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2743873924 + 123321025 = 52382^2 + 11105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2867194949 - 2²⁰ = 2866146373 is a prime.

It is a super-2 number, since 2×2867194949² = 16441613751142225202, which contains 22 as substring.

Together with 2867194951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2867194919) 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, 1433597474 + 1433597475.

It is an arithmetic number, because the mean of its divisors is an integer number (1433597475).

Almost surely, 2^2867194949 is an apocalyptic number.

It is an amenable number.

2867194949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2867194949 is an equidigital number, since it uses as much as digits as its factorization.

2867194949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The square root of 2867194949 is about 53546.1945333186. The cubic root of 2867194949 is about 1420.6455685609.

The spelling of 2867194949 in words is "two billion, eight hundred sixty-seven million, one hundred ninety-four thousand, nine hundred forty-nine".