1422449343641 has 2 divisors, whose sum is σ = 1422449343642. Its totient is φ = 1422449343640.

The previous prime is 1422449343611. The next prime is 1422449343683. The reversal of 1422449343641 is 1463439442241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013877817225 + 408571526416 = 1006915^2 + 639196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422449343641 - 2⁶ = 1422449343577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422449343611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711224671820 + 711224671821.

It is an arithmetic number, because the mean of its divisors is an integer number (711224671821).

Almost surely, 2^{1422449343641} is an apocalyptic number.

It is an amenable number.

1422449343641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422449343641 is an equidigital number, since it uses as much as digits as its factorization.

1422449343641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 47.

The spelling of 1422449343641 in words is "one trillion, four hundred twenty-two billion, four hundred forty-nine million, three hundred forty-three thousand, six hundred forty-one".