83534243538 has 16 divisors (see below), whose sum is σ = 169357097376. Its totient is φ = 27463312800.

The previous prime is 83534243531. The next prime is 83534243549.

83534243538 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (83534243531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95358288 + ... + 95359163.

It is an arithmetic number, because the mean of its divisors is an integer number (10584818586).

Almost surely, 2^83534243538 is an apocalyptic number.

83534243538 is an abundant number, since it is smaller than the sum of its proper divisors (85822853838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83534243538 is a wasteful number, since it uses less digits than its factorization.

83534243538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190717529.

The product of its digits is 4147200, while the sum is 48.

The spelling of 83534243538 in words is "eighty-three billion, five hundred thirty-four million, two hundred forty-three thousand, five hundred thirty-eight".