2731409438 has 8 divisors (see below), whose sum is σ = 4099665360. Its totient is φ = 1364854320.

The previous prime is 2731409423. The next prime is 2731409489. The reversal of 2731409438 is 8349041372.

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

It is a junction number, because it is equal to n+sod(n) for n = 2731409395 and 2731409404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421178 + ... + 427613.

It is an arithmetic number, because the mean of its divisors is an integer number (512458170).

Almost surely, 2^2731409438 is an apocalyptic number.

2731409438 is a deficient number, since it is larger than the sum of its proper divisors (1368255922).

2731409438 is a wasteful number, since it uses less digits than its factorization.

2731409438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850402.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2731409438 is about 52262.8877694297. The cubic root of 2731409438 is about 1397.8554646137.

The spelling of 2731409438 in words is "two billion, seven hundred thirty-one million, four hundred nine thousand, four hundred thirty-eight".