4043409974447 has 2 divisors, whose sum is σ = 4043409974448. Its totient is φ = 4043409974446.

The previous prime is 4043409974431. The next prime is 4043409974467. The reversal of 4043409974447 is 7444799043404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4043409974447 - 2⁴ = 4043409974431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043409974467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021704987223 + 2021704987224.

It is an arithmetic number, because the mean of its divisors is an integer number (2021704987224).

Almost surely, 2^{4043409974447} is an apocalyptic number.

4043409974447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043409974447 is an equidigital number, since it uses as much as digits as its factorization.

4043409974447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 4043409974447 in words is "four trillion, forty-three billion, four hundred nine million, nine hundred seventy-four thousand, four hundred forty-seven".