8179089549 has 16 divisors (see below), whose sum is σ = 11174218944. Its totient is φ = 5318409600.

The previous prime is 8179089491. The next prime is 8179089563. The reversal of 8179089549 is 9459809718.

It is not a de Polignac number, because 8179089549 - 2⁷ = 8179089421 is a prime.

It is a super-2 number, since 2×8179089549² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8179089492 and 8179089501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8179089599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841779 + ... + 851439.

It is an arithmetic number, because the mean of its divisors is an integer number (698388684).

Almost surely, 2^8179089549 is an apocalyptic number.

It is an amenable number.

8179089549 is a deficient number, since it is larger than the sum of its proper divisors (2995129395).

8179089549 is a wasteful number, since it uses less digits than its factorization.

8179089549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16588.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The square root of 8179089549 is about 90438.3190301545. The cubic root of 8179089549 is about 2014.8141289513.

The spelling of 8179089549 in words is "eight billion, one hundred seventy-nine million, eighty-nine thousand, five hundred forty-nine".