8534881438 has 4 divisors (see below), whose sum is σ = 12802322160. Its totient is φ = 4267440718.

The previous prime is 8534881409. The next prime is 8534881441. The reversal of 8534881438 is 8341884358.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133720358 + ... + 2133720361.

It is an arithmetic number, because the mean of its divisors is an integer number (3200580540).

Almost surely, 2^8534881438 is an apocalyptic number.

8534881438 is a deficient number, since it is larger than the sum of its proper divisors (4267440722).

8534881438 is a wasteful number, since it uses less digits than its factorization.

8534881438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267440721.

The product of its digits is 2949120, while the sum is 52.

The square root of 8534881438 is about 92384.4220526383. The cubic root of 8534881438 is about 2043.6153879948.

The spelling of 8534881438 in words is "eight billion, five hundred thirty-four million, eight hundred eighty-one thousand, four hundred thirty-eight".