1442771226613 has 2 divisors, whose sum is σ = 1442771226614. Its totient is φ = 1442771226612.

The previous prime is 1442771226607. The next prime is 1442771226671. The reversal of 1442771226613 is 3166221772441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1261054883089 + 181716343524 = 1122967^2 + 426282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442771226613 - 2²⁹ = 1442234355701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442771226313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721385613306 + 721385613307.

It is an arithmetic number, because the mean of its divisors is an integer number (721385613307).

Almost surely, 2^{1442771226613} is an apocalyptic number.

It is an amenable number.

1442771226613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442771226613 is an equidigital number, since it uses as much as digits as its factorization.

1442771226613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The spelling of 1442771226613 in words is "one trillion, four hundred forty-two billion, seven hundred seventy-one million, two hundred twenty-six thousand, six hundred thirteen".