8132909485 has 8 divisors (see below), whose sum is σ = 9919483416. Its totient is φ = 6399666240.

The previous prime is 8132909483. The next prime is 8132909501. The reversal of 8132909485 is 5849092318.

It can be written as a sum of positive squares in 4 ways, for example, as 122301481 + 8010608004 = 11059^2 + 89502^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8132909485 - 2¹ = 8132909483 is a prime.

It is a super-2 number, since 2×8132909485² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132909483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13332334 + ... + 13332943.

It is an arithmetic number, because the mean of its divisors is an integer number (1239935427).

Almost surely, 2^8132909485 is an apocalyptic number.

It is an amenable number.

8132909485 is a deficient number, since it is larger than the sum of its proper divisors (1786573931).

8132909485 is a wasteful number, since it uses less digits than its factorization.

8132909485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26665343.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 8132909485 is about 90182.6451430651. The cubic root of 8132909485 is about 2011.0150137809.

The spelling of 8132909485 in words is "eight billion, one hundred thirty-two million, nine hundred nine thousand, four hundred eighty-five".