2718609421 has 8 divisors (see below), whose sum is σ = 2966169888. Its totient is φ = 2471118000.

The previous prime is 2718609419. The next prime is 2718609497. The reversal of 2718609421 is 1249068172.

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

It is a cyclic number.

It is not a de Polignac number, because 2718609421 - 2¹ = 2718609419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718600421) 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 in 7 ways as a sum of consecutive naturals, for example, 99366 + ... + 123736.

It is an arithmetic number, because the mean of its divisors is an integer number (370771236).

Almost surely, 2^2718609421 is an apocalyptic number.

It is an amenable number.

2718609421 is a deficient number, since it is larger than the sum of its proper divisors (247560467).

2718609421 is a wasteful number, since it uses less digits than its factorization.

2718609421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34523.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2718609421 is about 52140.2859696799. The cubic root of 2718609421 is about 1395.6684867069.

The spelling of 2718609421 in words is "two billion, seven hundred eighteen million, six hundred nine thousand, four hundred twenty-one".