6400224793 has 2 divisors, whose sum is σ = 6400224794. Its totient is φ = 6400224792.

The previous prime is 6400224769. The next prime is 6400224823. The reversal of 6400224793 is 3974220046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3885402889 + 2514821904 = 62333^2 + 50148^2 .

It is a cyclic number.

It is not a de Polignac number, because 6400224793 - 2²¹ = 6398127641 is a prime.

It is not a weakly prime, because it can be changed into another prime (6400224893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200112396 + 3200112397.

It is an arithmetic number, because the mean of its divisors is an integer number (3200112397).

Almost surely, 2^6400224793 is an apocalyptic number.

It is an amenable number.

6400224793 is a deficient number, since it is larger than the sum of its proper divisors (1).

6400224793 is an equidigital number, since it uses as much as digits as its factorization.

6400224793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 6400224793 is about 80001.4049439133. The cubic root of 6400224793 is about 1856.6572706214.

The spelling of 6400224793 in words is "six billion, four hundred million, two hundred twenty-four thousand, seven hundred ninety-three".