2081944174319 has 4 divisors (see below), whose sum is σ = 2082027787944. Its totient is φ = 2081860560696.

The previous prime is 2081944174301. The next prime is 2081944174337. The reversal of 2081944174319 is 9134714491802.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2081944174301) and next prime (2081944174337).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081944174319 is a prime.

It is a super-2 number, since 2×2081944174319² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081944114319) 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, 41769452 + ... + 41819265.

It is an arithmetic number, because the mean of its divisors is an integer number (520506946986).

Almost surely, 2^{2081944174319} is an apocalyptic number.

2081944174319 is a deficient number, since it is larger than the sum of its proper divisors (83613625).

2081944174319 is an equidigital number, since it uses as much as digits as its factorization.

2081944174319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83613624.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 2081944174319 in words is "two trillion, eighty-one billion, nine hundred forty-four million, one hundred seventy-four thousand, three hundred nineteen".