1442555129969 has 2 divisors, whose sum is σ = 1442555129970. Its totient is φ = 1442555129968.

The previous prime is 1442555129963. The next prime is 1442555130017. The reversal of 1442555129969 is 9699215552441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382007145744 + 60547984225 = 1175588^2 + 246065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442555129969 - 2¹² = 1442555125873 is a prime.

It is a super-2 number, since 2×1442555129969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1442555129963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721277564984 + 721277564985.

It is an arithmetic number, because the mean of its divisors is an integer number (721277564985).

Almost surely, 2^{1442555129969} is an apocalyptic number.

It is an amenable number.

1442555129969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442555129969 is an equidigital number, since it uses as much as digits as its factorization.

1442555129969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992000, while the sum is 62.

The spelling of 1442555129969 in words is "one trillion, four hundred forty-two billion, five hundred fifty-five million, one hundred twenty-nine thousand, nine hundred sixty-nine".