203783138644483 has 8 divisors (see below), whose sum is σ = 211283470172160. Its totient is φ = 196340724735240.

The previous prime is 203783138644457. The next prime is 203783138644493. The reversal of 203783138644483 is 384446831387302.

203783138644483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203783138644483 - 2¹⁷ = 203783138513411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203783138644493) 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, 14479397443 + ... + 14479411516.

It is an arithmetic number, because the mean of its divisors is an integer number (26410433771520).

Almost surely, 2^{203783138644483} is an apocalyptic number.

203783138644483 is a deficient number, since it is larger than the sum of its proper divisors (7500331527677).

203783138644483 is a wasteful number, since it uses less digits than its factorization.

203783138644483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28958809217.

The product of its (nonzero) digits is 222953472, while the sum is 64.

The spelling of 203783138644483 in words is "two hundred three trillion, seven hundred eighty-three billion, one hundred thirty-eight million, six hundred forty-four thousand, four hundred eighty-three".