203783425338 has 32 divisors (see below), whose sum is σ = 433145672640. Its totient is φ = 63694380800.

The previous prime is 203783425331. The next prime is 203783425393. The reversal of 203783425338 is 833524387302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203783425331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3686088 + ... + 3740963.

It is an arithmetic number, because the mean of its divisors is an integer number (13535802270).

Almost surely, 2^203783425338 is an apocalyptic number.

203783425338 is an abundant number, since it is smaller than the sum of its proper divisors (229362247302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203783425338 is a wasteful number, since it uses less digits than its factorization.

203783425338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427342.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 203783425338 in words is "two hundred three billion, seven hundred eighty-three million, four hundred twenty-five thousand, three hundred thirty-eight".