2180322749496 has 32 divisors (see below), whose sum is σ = 5462186457600. Its totient is φ = 725256972000.

The previous prime is 2180322749447. The next prime is 2180322749497. The reversal of 2180322749496 is 6949472230812.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180322749497) 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, 94818130 + ... + 94841121.

It is an arithmetic number, because the mean of its divisors is an integer number (170693326800).

Almost surely, 2^{2180322749496} is an apocalyptic number.

It is an amenable number.

2180322749496 is an abundant number, since it is smaller than the sum of its proper divisors (3281863708104).

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

2180322749496 is a wasteful number, since it uses less digits than its factorization.

2180322749496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189659739 (or 189659735 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 2180322749496 in words is "two trillion, one hundred eighty billion, three hundred twenty-two million, seven hundred forty-nine thousand, four hundred ninety-six".