1442943357787 has 2 divisors, whose sum is σ = 1442943357788. Its totient is φ = 1442943357786.

The previous prime is 1442943357749. The next prime is 1442943357797. The reversal of 1442943357787 is 7877533492441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442943357787 - 2¹¹ = 1442943355739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442943357797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721471678893 + 721471678894.

It is an arithmetic number, because the mean of its divisors is an integer number (721471678894).

Almost surely, 2^{1442943357787} is an apocalyptic number.

1442943357787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442943357787 is an equidigital number, since it uses as much as digits as its factorization.

1442943357787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142248960, while the sum is 64.

The spelling of 1442943357787 in words is "one trillion, four hundred forty-two billion, nine hundred forty-three million, three hundred fifty-seven thousand, seven hundred eighty-seven".