8464437121 has 16 divisors (see below), whose sum is σ = 9747941760. Its totient is φ = 7199723520.

The previous prime is 8464437061. The next prime is 8464437131. The reversal of 8464437121 is 1217344648.

It is a cyclic number.

It is not a de Polignac number, because 8464437121 - 2¹¹ = 8464435073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8464437131) 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, 475186 + ... + 492676.

It is an arithmetic number, because the mean of its divisors is an integer number (609246360).

Almost surely, 2^8464437121 is an apocalyptic number.

It is an amenable number.

8464437121 is a deficient number, since it is larger than the sum of its proper divisors (1283504639).

8464437121 is a wasteful number, since it uses less digits than its factorization.

8464437121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024.

The product of its digits is 129024, while the sum is 40.

The square root of 8464437121 is about 92002.3756269369. The cubic root of 8464437121 is about 2037.9773879118.

The spelling of 8464437121 in words is "eight billion, four hundred sixty-four million, four hundred thirty-seven thousand, one hundred twenty-one".