2203366438945 has 32 divisors (see below), whose sum is σ = 3040822137600. Its totient is φ = 1501351822080.

The previous prime is 2203366438907. The next prime is 2203366438957. The reversal of 2203366438945 is 5498346633022.

It is not a de Polignac number, because 2203366438945 - 2⁹ = 2203366438433 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36601731 + ... + 36661879.

It is an arithmetic number, because the mean of its divisors is an integer number (95025691800).

Almost surely, 2^{2203366438945} is an apocalyptic number.

It is an amenable number.

2203366438945 is a deficient number, since it is larger than the sum of its proper divisors (837455698655).

2203366438945 is a wasteful number, since it uses less digits than its factorization.

2203366438945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66745.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 2203366438945 in words is "two trillion, two hundred three billion, three hundred sixty-six million, four hundred thirty-eight thousand, nine hundred forty-five".