2399649793 has 2 divisors, whose sum is σ = 2399649794. Its totient is φ = 2399649792.

The previous prime is 2399649779. The next prime is 2399649839. The reversal of 2399649793 is 3979469932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2393851329 + 5798464 = 48927^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2399649793 - 2⁹ = 2399649281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2399649193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199824896 + 1199824897.

It is an arithmetic number, because the mean of its divisors is an integer number (1199824897).

Almost surely, 2^2399649793 is an apocalyptic number.

It is an amenable number.

2399649793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2399649793 is an equidigital number, since it uses as much as digits as its factorization.

2399649793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 61.

The square root of 2399649793 is about 48986.2204400380. The cubic root of 2399649793 is about 1338.8007747451.

The spelling of 2399649793 in words is "two billion, three hundred ninety-nine million, six hundred forty-nine thousand, seven hundred ninety-three".