1765245420163 has 2 divisors, whose sum is σ = 1765245420164. Its totient is φ = 1765245420162.

The previous prime is 1765245420161. The next prime is 1765245420209. The reversal of 1765245420163 is 3610245425671.

It is an a-pointer prime, because the next prime (1765245420209) can be obtained adding 1765245420163 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (3610245425671) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1765245420163 - 2¹ = 1765245420161 is a prime.

Together with 1765245420161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1765245420161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882622710081 + 882622710082.

It is an arithmetic number, because the mean of its divisors is an integer number (882622710082).

Almost surely, 2^{1765245420163} is an apocalyptic number.

1765245420163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1765245420163 is an equidigital number, since it uses as much as digits as its factorization.

1765245420163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1765245420163 in words is "one trillion, seven hundred sixty-five billion, two hundred forty-five million, four hundred twenty thousand, one hundred sixty-three".