8539449358 has 32 divisors (see below), whose sum is σ = 14250608640. Its totient is φ = 3804771360.

The previous prime is 8539449323. The next prime is 8539449377.

8539449358 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8539449358² (a number of 21 digits) contains 22 as substring.

Its product of digits (18662400) is a multiple of the sum of its prime divisors (6912).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544523 + ... + 1550041.

It is an arithmetic number, because the mean of its divisors is an integer number (445331520).

Almost surely, 2^8539449358 is an apocalyptic number.

8539449358 is a deficient number, since it is larger than the sum of its proper divisors (5711159282).

8539449358 is a wasteful number, since it uses less digits than its factorization.

8539449358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912.

The product of its digits is 18662400, while the sum is 58.

The square root of 8539449358 is about 92409.1410954566. The cubic root of 8539449358 is about 2043.9799080634.

The spelling of 8539449358 in words is "eight billion, five hundred thirty-nine million, four hundred forty-nine thousand, three hundred fifty-eight".