2163347331609 has 8 divisors (see below), whose sum is σ = 2884763580832. Its totient is φ = 1442081318400.

The previous prime is 2163347331601. The next prime is 2163347331643. The reversal of 2163347331609 is 9061337433612.

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

It is not a de Polignac number, because 2163347331609 - 2³ = 2163347331601 is a prime.

It is a super-2 number, since 2×2163347331609² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2163347331601) 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, 37525399 + ... + 37583004.

It is an arithmetic number, because the mean of its divisors is an integer number (360595447604).

Almost surely, 2^{2163347331609} is an apocalyptic number.

It is an amenable number.

2163347331609 is a deficient number, since it is larger than the sum of its proper divisors (721416249223).

2163347331609 is an equidigital number, since it uses as much as digits as its factorization.

2163347331609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75118007.

The product of its (nonzero) digits is 1469664, while the sum is 48.

The spelling of 2163347331609 in words is "two trillion, one hundred sixty-three billion, three hundred forty-seven million, three hundred thirty-one thousand, six hundred nine".