9438019469 has 2 divisors, whose sum is σ = 9438019470. Its totient is φ = 9438019468.

The previous prime is 9438019453. The next prime is 9438019483. The reversal of 9438019469 is 9649108349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5961384100 + 3476635369 = 77210^2 + 58963^2 .

It is a cyclic number.

It is not a de Polignac number, because 9438019469 - 2⁴ = 9438019453 is a prime.

It is a super-2 number, since 2×9438019469² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9438019469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9438019439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719009734 + 4719009735.

It is an arithmetic number, because the mean of its divisors is an integer number (4719009735).

Almost surely, 2^9438019469 is an apocalyptic number.

It is an amenable number.

9438019469 is a deficient number, since it is larger than the sum of its proper divisors (1).

9438019469 is an equidigital number, since it uses as much as digits as its factorization.

9438019469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 9438019469 is about 97149.4697309254. The cubic root of 9438019469 is about 2113.2957986055.

The spelling of 9438019469 in words is "nine billion, four hundred thirty-eight million, nineteen thousand, four hundred sixty-nine".