1421300442043 has 4 divisors (see below), whose sum is σ = 1426151297088. Its totient is φ = 1416449587000.

The previous prime is 1421300442041. The next prime is 1421300442049. The reversal of 1421300442043 is 3402440031241.

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 1421300442043 - 2¹ = 1421300442041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421300442041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425427083 + ... + 2425427668.

It is an arithmetic number, because the mean of its divisors is an integer number (356537824272).

Almost surely, 2^{1421300442043} is an apocalyptic number.

1421300442043 is a deficient number, since it is larger than the sum of its proper divisors (4850855045).

1421300442043 is an equidigital number, since it uses as much as digits as its factorization.

1421300442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850855044.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1421300442043 its reverse (3402440031241), we get a palindrome (4823740473284).

The spelling of 1421300442043 in words is "one trillion, four hundred twenty-one billion, three hundred million, four hundred forty-two thousand, forty-three".