2291518449792 has 480 divisors, whose sum is σ = 8055834201360. Its totient is φ = 640978790400.

The previous prime is 2291518449767. The next prime is 2291518449799. The reversal of 2291518449792 is 2979448151922.

2291518449792 is a `hidden beast` number, since 2 + 2 + 9 + 1 + 51 + 8 + 4 + 497 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (2291518449799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19214667 + ... + 19333557.

Almost surely, 2^{2291518449792} is an apocalyptic number.

2291518449792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2291518449792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4027917100680).

2291518449792 is an abundant number, since it is smaller than the sum of its proper divisors (5764315751568).

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

2291518449792 is a wasteful number, since it uses less digits than its factorization.

2291518449792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118954 (or 118920 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 2291518449792 in words is "two trillion, two hundred ninety-one billion, five hundred eighteen million, four hundred forty-nine thousand, seven hundred ninety-two".