2649977419 has 2 divisors, whose sum is σ = 2649977420. Its totient is φ = 2649977418.

The previous prime is 2649977417. The next prime is 2649977467. The reversal of 2649977419 is 9147799462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2649977419 - 2¹ = 2649977417 is a prime.

It is a super-2 number, since 2×2649977419² = 14044760642419803122, which contains 22 as substring.

Together with 2649977417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2649977413) 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, 1324988709 + 1324988710.

It is an arithmetic number, because the mean of its divisors is an integer number (1324988710).

Almost surely, 2^2649977419 is an apocalyptic number.

2649977419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649977419 is an equidigital number, since it uses as much as digits as its factorization.

2649977419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 58.

The square root of 2649977419 is about 51477.9313784072. The cubic root of 2649977419 is about 1383.8235730410.

The spelling of 2649977419 in words is "two billion, six hundred forty-nine million, nine hundred seventy-seven thousand, four hundred nineteen".