4649779 has 2 divisors, whose sum is σ = 4649780. Its totient is φ = 4649778.

The previous prime is 4649759. The next prime is 4649797. The reversal of 4649779 is 9779464.

Together with next prime (4649797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4649779 - 2⁵ = 4649747 is a prime.

It is not a weakly prime, because it can be changed into another prime (4649759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324889 + 2324890.

It is an arithmetic number, because the mean of its divisors is an integer number (2324890).

Almost surely, 2^4649779 is an apocalyptic number.

4649779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649779 is an equidigital number, since it uses as much as digits as its factorization.

4649779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 4649779 is about 2156.3346215279. The cubic root of 4649779 is about 166.9081091753.

The spelling of 4649779 in words is "four million, six hundred forty-nine thousand, seven hundred seventy-nine".