2140843734017 has 4 divisors (see below), whose sum is σ = 2140850784816. Its totient is φ = 2140836683220.

The previous prime is 2140843734013. The next prime is 2140843734031. The reversal of 2140843734017 is 7104373480412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140843734017 - 2² = 2140843734013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140843734013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3048443 + ... + 3684384.

It is an arithmetic number, because the mean of its divisors is an integer number (535212696204).

Almost surely, 2^{2140843734017} is an apocalyptic number.

It is an amenable number.

2140843734017 is a deficient number, since it is larger than the sum of its proper divisors (7050799).

2140843734017 is an equidigital number, since it uses as much as digits as its factorization.

2140843734017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050798.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 2140843734017 in words is "two trillion, one hundred forty billion, eight hundred forty-three million, seven hundred thirty-four thousand, seventeen".