1442650613 has 2 divisors, whose sum is σ = 1442650614. Its totient is φ = 1442650612.

The previous prime is 1442650607. The next prime is 1442650669. The reversal of 1442650613 is 3160562441.

1442650613 = 26857² + 26858².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 721352164 + 721298449 = 26858^2 + 26857^2 .

It is an emirp because it is prime and its reverse (3160562441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442650613 - 2²⁰ = 1441602037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442650613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442650213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721325306 + 721325307.

It is an arithmetic number, because the mean of its divisors is an integer number (721325307).

Almost surely, 2^1442650613 is an apocalyptic number.

1442650613 is the 26858-th centered square number.

It is an amenable number.

1442650613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442650613 is an equidigital number, since it uses as much as digits as its factorization.

1442650613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1442650613 is about 37982.2407580174. The cubic root of 1442650613 is about 1129.9356772847.

The spelling of 1442650613 in words is "one billion, four hundred forty-two million, six hundred fifty thousand, six hundred thirteen".