2172839395 has 8 divisors (see below), whose sum is σ = 2614923504. Its totient is φ = 1733260704.

The previous prime is 2172839363. The next prime is 2172839401. The reversal of 2172839395 is 5939382712.

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 2172839395 - 2⁵ = 2172839363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624444 + ... + 627913.

It is an arithmetic number, because the mean of its divisors is an integer number (326865438).

Almost surely, 2^2172839395 is an apocalyptic number.

2172839395 is a deficient number, since it is larger than the sum of its proper divisors (442084109).

2172839395 is a wasteful number, since it uses less digits than its factorization.

2172839395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252709.

The product of its digits is 816480, while the sum is 49.

The square root of 2172839395 is about 46613.7253928497. The cubic root of 2172839395 is about 1295.2170186327.

The spelling of 2172839395 in words is "two billion, one hundred seventy-two million, eight hundred thirty-nine thousand, three hundred ninety-five".