2177044943213 has 12 divisors (see below), whose sum is σ = 2533419309600. Its totient is φ = 1865347027992.

The previous prime is 2177044943119. The next prime is 2177044943221. The reversal of 2177044943213 is 3123494407712.

It is not a de Polignac number, because 2177044943213 - 2⁴⁰ = 1077533315437 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 (2177044943263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8098481 + ... + 8362982.

It is an arithmetic number, because the mean of its divisors is an integer number (211118275800).

Almost surely, 2^{2177044943213} is an apocalyptic number.

It is an amenable number.

2177044943213 is a deficient number, since it is larger than the sum of its proper divisors (356374366387).

2177044943213 is a wasteful number, since it uses less digits than its factorization.

2177044943213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464176 (or 16464169 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 2177044943213 in words is "two trillion, one hundred seventy-seven billion, forty-four million, nine hundred forty-three thousand, two hundred thirteen".