9438019463 has 4 divisors (see below), whose sum is σ = 9763468440. Its totient is φ = 9112570488.

The previous prime is 9438019453. The next prime is 9438019469. The reversal of 9438019463 is 3649108349.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9438019463 - 2⁶ = 9438019399 is a prime.

It is a super-2 number, since 2×9438019463² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9438019469) 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, 162724445 + ... + 162724502.

It is an arithmetic number, because the mean of its divisors is an integer number (2440867110).

Almost surely, 2^9438019463 is an apocalyptic number.

9438019463 is a deficient number, since it is larger than the sum of its proper divisors (325448977).

9438019463 is a wasteful number, since it uses less digits than its factorization.

9438019463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325448976.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 9438019463 is about 97149.4697000452. The cubic root of 9438019463 is about 2113.2957981576.

The spelling of 9438019463 in words is "nine billion, four hundred thirty-eight million, nineteen thousand, four hundred sixty-three".