2649669467 has 2 divisors, whose sum is σ = 2649669468. Its totient is φ = 2649669466.

The previous prime is 2649669443. The next prime is 2649669469. The reversal of 2649669467 is 7649669462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2649669467 - 2¹² = 2649665371 is a prime.

Together with 2649669469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2649669469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324834733 + 1324834734.

It is an arithmetic number, because the mean of its divisors is an integer number (1324834734).

Almost surely, 2^2649669467 is an apocalyptic number.

2649669467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649669467 is an equidigital number, since it uses as much as digits as its factorization.

2649669467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 59.

The square root of 2649669467 is about 51474.9401845209. The cubic root of 2649669467 is about 1383.7699665785.

The spelling of 2649669467 in words is "two billion, six hundred forty-nine million, six hundred sixty-nine thousand, four hundred sixty-seven".