1720613241463 has 2 divisors, whose sum is σ = 1720613241464. Its totient is φ = 1720613241462.

The previous prime is 1720613241439. The next prime is 1720613241493. The reversal of 1720613241463 is 3641423160271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1720613241463 - 2³³ = 1712023306871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1720613241493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860306620731 + 860306620732.

It is an arithmetic number, because the mean of its divisors is an integer number (860306620732).

Almost surely, 2^{1720613241463} is an apocalyptic number.

1720613241463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1720613241463 is an equidigital number, since it uses as much as digits as its factorization.

1720613241463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 1720613241463 in words is "one trillion, seven hundred twenty billion, six hundred thirteen million, two hundred forty-one thousand, four hundred sixty-three".