1461422442239 has 2 divisors, whose sum is σ = 1461422442240. Its totient is φ = 1461422442238.

The previous prime is 1461422442197. The next prime is 1461422442287. The reversal of 1461422442239 is 9322442241641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461422442239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1461422442239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461422442839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730711221119 + 730711221120.

It is an arithmetic number, because the mean of its divisors is an integer number (730711221120).

Almost surely, 2^{1461422442239} is an apocalyptic number.

1461422442239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461422442239 is an equidigital number, since it uses as much as digits as its factorization.

1461422442239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 44.

The spelling of 1461422442239 in words is "one trillion, four hundred sixty-one billion, four hundred twenty-two million, four hundred forty-two thousand, two hundred thirty-nine".