8354149538 has 64 divisors (see below), whose sum is σ = 15084817920. Its totient is φ = 3394406400.

The previous prime is 8354149523. The next prime is 8354149543. The reversal of 8354149538 is 8359414538.

It is a happy number.

It is a super-2 number, since 2×8354149538² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10175168 + ... + 10175988.

It is an arithmetic number, because the mean of its divisors is an integer number (235700280).

Almost surely, 2^8354149538 is an apocalyptic number.

8354149538 is a deficient number, since it is larger than the sum of its proper divisors (6730668382).

8354149538 is a wasteful number, since it uses less digits than its factorization.

8354149538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its digits is 2073600, while the sum is 50.

The square root of 8354149538 is about 91401.0368540751. The cubic root of 8354149538 is about 2029.0873730231.

The spelling of 8354149538 in words is "eight billion, three hundred fifty-four million, one hundred forty-nine thousand, five hundred thirty-eight".