4020010424449 has 2 divisors, whose sum is σ = 4020010424450. Its totient is φ = 4020010424448.

The previous prime is 4020010424431. The next prime is 4020010424471. The reversal of 4020010424449 is 9444240100204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4012649985600 + 7360438849 = 2003160^2 + 85793^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020010424449 - 2⁹ = 4020010423937 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020010424249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010005212224 + 2010005212225.

It is an arithmetic number, because the mean of its divisors is an integer number (2010005212225).

Almost surely, 2^{4020010424449} is an apocalyptic number.

It is an amenable number.

4020010424449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020010424449 is an equidigital number, since it uses as much as digits as its factorization.

4020010424449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 4020010424449 in words is "four trillion, twenty billion, ten million, four hundred twenty-four thousand, four hundred forty-nine".