2409494709 has 16 divisors (see below), whose sum is σ = 3384632000. Its totient is φ = 1520487936.

The previous prime is 2409494663. The next prime is 2409494729. The reversal of 2409494709 is 9074949042.

It is not a de Polignac number, because 2409494709 - 2¹⁶ = 2409429173 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409494729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51717 + ... + 86565.

It is an arithmetic number, because the mean of its divisors is an integer number (211539500).

Almost surely, 2^2409494709 is an apocalyptic number.

It is an amenable number.

2409494709 is a deficient number, since it is larger than the sum of its proper divisors (975137291).

2409494709 is a wasteful number, since it uses less digits than its factorization.

2409494709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36084.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2409494709 is about 49086.6041705881. The cubic root of 2409494709 is about 1340.6291522804.

It can be divided in two parts, 240 and 9494709, that added together give a palindrome (9494949).

The spelling of 2409494709 in words is "two billion, four hundred nine million, four hundred ninety-four thousand, seven hundred nine".