4297584642921 has 12 divisors (see below), whose sum is σ = 6309386562180. Its totient is φ = 2818088290080.

The previous prime is 4297584642919. The next prime is 4297584642937. The reversal of 4297584642921 is 1292464857924.

It is a happy number.

4297584642921 is a `hidden beast` number, since 4 + 2 + 9 + 7 + 584 + 6 + 4 + 29 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1754006223321 + 2543578419600 = 1324389^2 + 1594860^2 .

It is not a de Polignac number, because 4297584642921 - 2¹ = 4297584642919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4297584642721) 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 11 ways as a sum of consecutive naturals, for example, 3914010966 + ... + 3914012063.

It is an arithmetic number, because the mean of its divisors is an integer number (525782213515).

Almost surely, 2^{4297584642921} is an apocalyptic number.

It is an amenable number.

4297584642921 is a deficient number, since it is larger than the sum of its proper divisors (2011801919259).

4297584642921 is a wasteful number, since it uses less digits than its factorization.

4297584642921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828023096 (or 7828023093 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 4297584642921 in words is "four trillion, two hundred ninety-seven billion, five hundred eighty-four million, six hundred forty-two thousand, nine hundred twenty-one".