8294980521 has 16 divisors (see below), whose sum is σ = 11574134784. Its totient is φ = 5274293904.

The previous prime is 8294980517. The next prime is 8294980543. The reversal of 8294980521 is 1250894928.

It is not a de Polignac number, because 8294980521 - 2² = 8294980517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8294980591) 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, 149281 + ... + 197166.

It is an arithmetic number, because the mean of its divisors is an integer number (723383424).

Almost surely, 2^8294980521 is an apocalyptic number.

It is an amenable number.

8294980521 is a deficient number, since it is larger than the sum of its proper divisors (3279154263).

8294980521 is a wasteful number, since it uses less digits than its factorization.

8294980521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346820.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 8294980521 is about 91076.7836553312. The cubic root of 8294980521 is about 2024.2856207743.

The spelling of 8294980521 in words is "eight billion, two hundred ninety-four million, nine hundred eighty thousand, five hundred twenty-one".