1420043488939 has 4 divisors (see below), whose sum is σ = 1422153509656. Its totient is φ = 1417933468224.

The previous prime is 1420043488879. The next prime is 1420043488951. The reversal of 1420043488939 is 9398843400241.

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 1420043488939 - 2⁷ = 1420043488811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420043488939.

It is not an unprimeable number, because it can be changed into a prime (1420043488979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055009349 + ... + 1055010694.

It is an arithmetic number, because the mean of its divisors is an integer number (355538377414).

Almost surely, 2^{1420043488939} is an apocalyptic number.

1420043488939 is a deficient number, since it is larger than the sum of its proper divisors (2110020717).

1420043488939 is an equidigital number, since it uses as much as digits as its factorization.

1420043488939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110020716.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 1420043488939 in words is "one trillion, four hundred twenty billion, forty-three million, four hundred eighty-eight thousand, nine hundred thirty-nine".