1421755332163 has 4 divisors (see below), whose sum is σ = 1421758203480. Its totient is φ = 1421752460848.

The previous prime is 1421755332143. The next prime is 1421755332211. The reversal of 1421755332163 is 3612335571241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1421755332163 - 2²⁹ = 1421218461251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421755332143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481570 + ... + 1753687.

It is an arithmetic number, because the mean of its divisors is an integer number (355439550870).

Almost surely, 2^{1421755332163} is an apocalyptic number.

1421755332163 is a deficient number, since it is larger than the sum of its proper divisors (2871317).

1421755332163 is an equidigital number, since it uses as much as digits as its factorization.

1421755332163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871316.

The product of its digits is 453600, while the sum is 43.

The spelling of 1421755332163 in words is "one trillion, four hundred twenty-one billion, seven hundred fifty-five million, three hundred thirty-two thousand, one hundred sixty-three".