1442201473 has 2 divisors, whose sum is σ = 1442201474. Its totient is φ = 1442201472.

The previous prime is 1442201447. The next prime is 1442201489. The reversal of 1442201473 is 3741022441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1231167744 + 211033729 = 35088^2 + 14527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442201473 - 2²⁵ = 1408647041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442261473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721100736 + 721100737.

It is an arithmetic number, because the mean of its divisors is an integer number (721100737).

Almost surely, 2^1442201473 is an apocalyptic number.

It is an amenable number.

1442201473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442201473 is an equidigital number, since it uses as much as digits as its factorization.

1442201473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1442201473 is about 37976.3277977216. The cubic root of 1442201473 is about 1129.8184042640.

The spelling of 1442201473 in words is "one billion, four hundred forty-two million, two hundred one thousand, four hundred seventy-three".