203794422394 has 8 divisors (see below), whose sum is σ = 313953569748. Its totient is φ = 99143232480.

The previous prime is 203794422379. The next prime is 203794422397. The reversal of 203794422394 is 493224497302.

It can be written as a sum of positive squares in 2 ways, for example, as 168726242169 + 35068180225 = 410763^2 + 187265^2 .

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

It is not an unprimeable number, because it can be changed into a prime (203794422397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376989267 + ... + 1376989414.

Almost surely, 2^203794422394 is an apocalyptic number.

203794422394 is a deficient number, since it is larger than the sum of its proper divisors (110159147354).

203794422394 is a wasteful number, since it uses less digits than its factorization.

203794422394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753978720.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 203794422394 in words is "two hundred three billion, seven hundred ninety-four million, four hundred twenty-two thousand, three hundred ninety-four".