1442202493 has 2 divisors, whose sum is σ = 1442202494. Its totient is φ = 1442202492.

The previous prime is 1442202479. The next prime is 1442202607. The reversal of 1442202493 is 3942022441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264300249 + 177902244 = 35557^2 + 13338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442202493 - 2¹³ = 1442194301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440202493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721101246 + 721101247.

It is an arithmetic number, because the mean of its divisors is an integer number (721101247).

Almost surely, 2^1442202493 is an apocalyptic number.

It is an amenable number.

1442202493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442202493 is an equidigital number, since it uses as much as digits as its factorization.

1442202493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1442202493 is about 37976.3412271377. The cubic root of 1442202493 is about 1129.8186706194.

The spelling of 1442202493 in words is "one billion, four hundred forty-two million, two hundred two thousand, four hundred ninety-three".