8179520349 has 64 divisors (see below), whose sum is σ = 15413852160. Its totient is φ = 3715787520.

The previous prime is 8179520303. The next prime is 8179520353. The reversal of 8179520349 is 9430259718.

It is not a de Polignac number, because 8179520349 - 2²⁸ = 7911084893 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8179520298 and 8179520307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8179520449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14622 + ... + 128735.

It is an arithmetic number, because the mean of its divisors is an integer number (240841440).

Almost surely, 2^8179520349 is an apocalyptic number.

It is an amenable number.

8179520349 is a deficient number, since it is larger than the sum of its proper divisors (7234331811).

8179520349 is a wasteful number, since it uses less digits than its factorization.

8179520349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143410.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 8179520349 is about 90440.7007325795. The cubic root of 8179520349 is about 2014.8495023541.

The spelling of 8179520349 in words is "eight billion, one hundred seventy-nine million, five hundred twenty thousand, three hundred forty-nine".