1440442625863 has 2 divisors, whose sum is σ = 1440442625864. Its totient is φ = 1440442625862.

The previous prime is 1440442625861. The next prime is 1440442625977. The reversal of 1440442625863 is 3685262440441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440442625863 - 2¹ = 1440442625861 is a prime.

Together with 1440442625861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440442625861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720221312931 + 720221312932.

It is an arithmetic number, because the mean of its divisors is an integer number (720221312932).

Almost surely, 2^{1440442625863} is an apocalyptic number.

1440442625863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440442625863 is an equidigital number, since it uses as much as digits as its factorization.

1440442625863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4423680, while the sum is 49.

The spelling of 1440442625863 in words is "one trillion, four hundred forty billion, four hundred forty-two million, six hundred twenty-five thousand, eight hundred sixty-three".