2074178438671 has 4 divisors (see below), whose sum is σ = 2074191961744. Its totient is φ = 2074164915600.

The previous prime is 2074178438659. The next prime is 2074178438687. The reversal of 2074178438671 is 1768348714702.

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

It is a cyclic number.

It is not a de Polignac number, because 2074178438671 - 2⁵ = 2074178438639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2074178438071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6528795 + ... + 6839116.

It is an arithmetic number, because the mean of its divisors is an integer number (518547990436).

Almost surely, 2^{2074178438671} is an apocalyptic number.

2074178438671 is a deficient number, since it is larger than the sum of its proper divisors (13523073).

2074178438671 is a wasteful number, since it uses less digits than its factorization.

2074178438671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523072.

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 2074178438671 in words is "two trillion, seventy-four billion, one hundred seventy-eight million, four hundred thirty-eight thousand, six hundred seventy-one".