2140483516721 has 8 divisors (see below), whose sum is σ = 2436597837504. Its totient is φ = 1861290014320.

The previous prime is 2140483516697. The next prime is 2140483516741. The reversal of 2140483516721 is 1276153840412.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2140483516721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140483516741) 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, 4230204326 + ... + 4230204831.

It is an arithmetic number, because the mean of its divisors is an integer number (304574729688).

Almost surely, 2^{2140483516721} is an apocalyptic number.

It is an amenable number.

2140483516721 is a deficient number, since it is larger than the sum of its proper divisors (296114320783).

2140483516721 is a wasteful number, since it uses less digits than its factorization.

2140483516721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460409191.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 2140483516721 in words is "two trillion, one hundred forty billion, four hundred eighty-three million, five hundred sixteen thousand, seven hundred twenty-one".