203402404039 has 2 divisors, whose sum is σ = 203402404040. Its totient is φ = 203402404038.

The previous prime is 203402404033. The next prime is 203402404157. The reversal of 203402404039 is 930404204302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203402404039 - 2³ = 203402404031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203402404039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203402404031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101701202019 + 101701202020.

It is an arithmetic number, because the mean of its divisors is an integer number (101701202020).

Almost surely, 2^203402404039 is an apocalyptic number.

203402404039 is a deficient number, since it is larger than the sum of its proper divisors (1).

203402404039 is an equidigital number, since it uses as much as digits as its factorization.

203402404039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 203402404039 in words is "two hundred three billion, four hundred two million, four hundred four thousand, thirty-nine".