2439009699 has 16 divisors (see below), whose sum is σ = 3728702208. Its totient is φ = 1389176352.

The previous prime is 2439009647. The next prime is 2439009709. The reversal of 2439009699 is 9969009342.

It is not a de Polignac number, because 2439009699 - 2¹¹ = 2439007651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2439009799) 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 in 15 ways as a sum of consecutive naturals, for example, 182712 + ... + 195605.

It is an arithmetic number, because the mean of its divisors is an integer number (233043888).

Almost surely, 2^2439009699 is an apocalyptic number.

2439009699 is a deficient number, since it is larger than the sum of its proper divisors (1289692509).

2439009699 is a wasteful number, since it uses less digits than its factorization.

2439009699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378634.

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 2439009699 is about 49386.3310947473. The cubic root of 2439009699 is about 1346.0809428821.

The spelling of 2439009699 in words is "two billion, four hundred thirty-nine million, nine thousand, six hundred ninety-nine".