2148334701773 has 4 divisors (see below), whose sum is σ = 2313591217308. Its totient is φ = 1983078186240.

The previous prime is 2148334701767. The next prime is 2148334701787. The reversal of 2148334701773 is 3771074338412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1455215180329 + 693119521444 = 1206323^2 + 832538^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148334701773 - 2²² = 2148330507469 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 (2148334701713) 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, 82628257748 + ... + 82628257773.

It is an arithmetic number, because the mean of its divisors is an integer number (578397804327).

Almost surely, 2^{2148334701773} is an apocalyptic number.

It is an amenable number.

2148334701773 is a deficient number, since it is larger than the sum of its proper divisors (165256515535).

2148334701773 is a wasteful number, since it uses less digits than its factorization.

2148334701773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165256515534.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 2148334701773 in words is "two trillion, one hundred forty-eight billion, three hundred thirty-four million, seven hundred one thousand, seven hundred seventy-three".