1720622371483 has 2 divisors, whose sum is σ = 1720622371484. Its totient is φ = 1720622371482.

The previous prime is 1720622371421. The next prime is 1720622371513. The reversal of 1720622371483 is 3841732260271.

It is a strong prime.

It is an emirp because it is prime and its reverse (3841732260271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1720622371483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1720622371583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860311185741 + 860311185742.

It is an arithmetic number, because the mean of its divisors is an integer number (860311185742).

Almost surely, 2^{1720622371483} is an apocalyptic number.

1720622371483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1720622371483 is an equidigital number, since it uses as much as digits as its factorization.

1720622371483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 1720622371483 in words is "one trillion, seven hundred twenty billion, six hundred twenty-two million, three hundred seventy-one thousand, four hundred eighty-three".