1442861604577 has 2 divisors, whose sum is σ = 1442861604578. Its totient is φ = 1442861604576.

The previous prime is 1442861604563. The next prime is 1442861604623. The reversal of 1442861604577 is 7754061682441.

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., 890152623441 + 552708981136 = 943479^2 + 743444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442861604577 - 2¹⁹ = 1442861080289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442861664577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721430802288 + 721430802289.

It is an arithmetic number, because the mean of its divisors is an integer number (721430802289).

Almost surely, 2^{1442861604577} is an apocalyptic number.

It is an amenable number.

1442861604577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442861604577 is an equidigital number, since it uses as much as digits as its factorization.

1442861604577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 1442861604577 in words is "one trillion, four hundred forty-two billion, eight hundred sixty-one million, six hundred four thousand, five hundred seventy-seven".