2399066247 has 4 divisors (see below), whose sum is σ = 3198755000. Its totient is φ = 1599377496.

The previous prime is 2399066237. The next prime is 2399066269. The reversal of 2399066247 is 7426609932.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2399066247 - 2⁶ = 2399066183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2399066196 and 2399066205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399066227) 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 in 3 ways as a sum of consecutive naturals, for example, 399844372 + ... + 399844377.

It is an arithmetic number, because the mean of its divisors is an integer number (799688750).

Almost surely, 2^2399066247 is an apocalyptic number.

2399066247 is a deficient number, since it is larger than the sum of its proper divisors (799688753).

2399066247 is an equidigital number, since it uses as much as digits as its factorization.

2399066247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799688752.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 2399066247 is about 48980.2638518822. The cubic root of 2399066247 is about 1338.6922429119.

The spelling of 2399066247 in words is "two billion, three hundred ninety-nine million, sixty-six thousand, two hundred forty-seven".