2349091816968 has 128 divisors (see below), whose sum is σ = 6393354105600. Its totient is φ = 714968411136.

The previous prime is 2349091816963. The next prime is 2349091816991. The reversal of 2349091816968 is 8696181909432.

It is a super-2 number, since 2×2349091816968² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2349091816899 and 2349091816908.

It is not an unprimeable number, because it can be changed into a prime (2349091816963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10522813 + ... + 10743731.

It is an arithmetic number, because the mean of its divisors is an integer number (49948078950).

Almost surely, 2^{2349091816968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2349091816968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196677052800).

2349091816968 is an abundant number, since it is smaller than the sum of its proper divisors (4044262288632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2349091816968 is a wasteful number, since it uses less digits than its factorization.

2349091816968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221311 (or 221307 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 66.

The spelling of 2349091816968 in words is "two trillion, three hundred forty-nine billion, ninety-one million, eight hundred sixteen thousand, nine hundred sixty-eight".