2709641409 has 8 divisors (see below), whose sum is σ = 3613586592. Its totient is φ = 1806061920.

The previous prime is 2709641381. The next prime is 2709641413. The reversal of 2709641409 is 9041469072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2709641409 - 2⁸ = 2709641153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2709641009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73639 + ... + 104124.

It is an arithmetic number, because the mean of its divisors is an integer number (451698324).

Almost surely, 2^2709641409 is an apocalyptic number.

It is an amenable number.

2709641409 is a deficient number, since it is larger than the sum of its proper divisors (903945183).

2709641409 is a wasteful number, since it uses less digits than its factorization.

2709641409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182847.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2709641409 is about 52054.2160540335. The cubic root of 2709641409 is about 1394.1321424629.

The spelling of 2709641409 in words is "two billion, seven hundred nine million, six hundred forty-one thousand, four hundred nine".