2243638385071 has 8 divisors (see below), whose sum is σ = 2246943729888. Its totient is φ = 2240333340000.

The previous prime is 2243638385041. The next prime is 2243638385083. The reversal of 2243638385071 is 1705838363422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243638385071 - 2¹¹ = 2243638383023 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 (2243638385041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18151086 + ... + 18274276.

It is an arithmetic number, because the mean of its divisors is an integer number (280867966236).

Almost surely, 2^{2243638385071} is an apocalyptic number.

2243638385071 is a deficient number, since it is larger than the sum of its proper divisors (3305344817).

2243638385071 is a wasteful number, since it uses less digits than its factorization.

2243638385071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149873.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 2243638385071 in words is "two trillion, two hundred forty-three billion, six hundred thirty-eight million, three hundred eighty-five thousand, seventy-one".