9533438139 has 16 divisors (see below), whose sum is σ = 12950844192. Its totient is φ = 6236713728.

The previous prime is 9533438113. The next prime is 9533438191. The reversal of 9533438139 is 9318343359.

It is not a de Polignac number, because 9533438139 - 2¹³ = 9533429947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9533437139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67344 + ... + 153629.

It is an arithmetic number, because the mean of its divisors is an integer number (809427762).

Almost surely, 2^9533438139 is an apocalyptic number.

9533438139 is a deficient number, since it is larger than the sum of its proper divisors (3417406053).

9533438139 is a wasteful number, since it uses less digits than its factorization.

9533438139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221246.

The product of its digits is 1049760, while the sum is 48.

The square root of 9533438139 is about 97639.3268053401. The cubic root of 9533438139 is about 2120.3937605937.

The spelling of 9533438139 in words is "nine billion, five hundred thirty-three million, four hundred thirty-eight thousand, one hundred thirty-nine".