4431010012409 has 2 divisors, whose sum is σ = 4431010012410. Its totient is φ = 4431010012408.

The previous prime is 4431010012397. The next prime is 4431010012427. The reversal of 4431010012409 is 9042100101344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2718366670009 + 1712643342400 = 1648747^2 + 1308680^2 .

It is a cyclic number.

It is not a de Polignac number, because 4431010012409 - 2⁴ = 4431010012393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4431010012609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215505006204 + 2215505006205.

It is an arithmetic number, because the mean of its divisors is an integer number (2215505006205).

Almost surely, 2^{4431010012409} is an apocalyptic number.

It is an amenable number.

4431010012409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431010012409 is an equidigital number, since it uses as much as digits as its factorization.

4431010012409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 4431010012409 in words is "four trillion, four hundred thirty-one billion, ten million, twelve thousand, four hundred nine".