1420422042443 has 4 divisors (see below), whose sum is σ = 1429828811088. Its totient is φ = 1411015273800.

The previous prime is 1420422042409. The next prime is 1420422042469. The reversal of 1420422042443 is 3442402240241.

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 1420422042443 - 2⁴⁰ = 320910414667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420422042043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703384096 + ... + 4703384397.

It is an arithmetic number, because the mean of its divisors is an integer number (357457202772).

Almost surely, 2^{1420422042443} is an apocalyptic number.

1420422042443 is a deficient number, since it is larger than the sum of its proper divisors (9406768645).

1420422042443 is an equidigital number, since it uses as much as digits as its factorization.

1420422042443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406768644.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 1420422042443 its reverse (3442402240241), we get a palindrome (4862824282684).

The spelling of 1420422042443 in words is "one trillion, four hundred twenty billion, four hundred twenty-two million, forty-two thousand, four hundred forty-three".