8420573361 has 16 divisors (see below), whose sum is σ = 11292646400. Its totient is φ = 5581152720.

The previous prime is 8420573347. The next prime is 8420573363. The reversal of 8420573361 is 1633750248.

It is not a de Polignac number, because 8420573361 - 2¹³ = 8420565169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8420573363) 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 15 ways as a sum of consecutive naturals, for example, 880596 + ... + 890106.

It is an arithmetic number, because the mean of its divisors is an integer number (705790400).

Almost surely, 2^8420573361 is an apocalyptic number.

It is an amenable number.

8420573361 is a deficient number, since it is larger than the sum of its proper divisors (2872073039).

8420573361 is a wasteful number, since it uses less digits than its factorization.

8420573361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 8420573361 is about 91763.6821460429. The cubic root of 8420573361 is about 2034.4509390904.

The spelling of 8420573361 in words is "eight billion, four hundred twenty million, five hundred seventy-three thousand, three hundred sixty-one".