203424314189 has 2 divisors, whose sum is σ = 203424314190. Its totient is φ = 203424314188.

The previous prime is 203424314179. The next prime is 203424314237. The reversal of 203424314189 is 981413424302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142021952164 + 61402362025 = 376858^2 + 247795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203424314189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203424314179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101712157094 + 101712157095.

It is an arithmetic number, because the mean of its divisors is an integer number (101712157095).

Almost surely, 2^203424314189 is an apocalyptic number.

It is an amenable number.

203424314189 is a deficient number, since it is larger than the sum of its proper divisors (1).

203424314189 is an equidigital number, since it uses as much as digits as its factorization.

203424314189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 203424314189 in words is "two hundred three billion, four hundred twenty-four million, three hundred fourteen thousand, one hundred eighty-nine".