2163317649 has 8 divisors (see below), whose sum is σ = 2884806432. Its totient is φ = 1442020320.

The previous prime is 2163317627. The next prime is 2163317699. The reversal of 2163317649 is 9467133612.

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

It is not a de Polignac number, because 2163317649 - 2⁵ = 2163317617 is a prime.

It is a super-3 number, since 3×2163317649³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2163317649.

It is not an unprimeable number, because it can be changed into a prime (2163317699) 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, 19012 + ... + 68469.

It is an arithmetic number, because the mean of its divisors is an integer number (360600804).

Almost surely, 2^2163317649 is an apocalyptic number.

It is an amenable number.

2163317649 is a deficient number, since it is larger than the sum of its proper divisors (721488783).

2163317649 is an equidigital number, since it uses as much as digits as its factorization.

2163317649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95727.

The product of its digits is 163296, while the sum is 42.

The square root of 2163317649 is about 46511.4786799990. The cubic root of 2163317649 is about 1293.3222956613.

The spelling of 2163317649 in words is "two billion, one hundred sixty-three million, three hundred seventeen thousand, six hundred forty-nine".