1420043434658 has 8 divisors (see below), whose sum is σ = 2131233596928. Its totient is φ = 709632235684.

The previous prime is 1420043434577. The next prime is 1420043434703. The reversal of 1420043434658 is 8564343400241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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, 194736266 + ... + 194743557.

It is an arithmetic number, because the mean of its divisors is an integer number (266404199616).

Almost surely, 2^{1420043434658} is an apocalyptic number.

1420043434658 is a deficient number, since it is larger than the sum of its proper divisors (711190162270).

1420043434658 is a wasteful number, since it uses less digits than its factorization.

1420043434658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389481648.

The product of its (nonzero) digits is 1105920, while the sum is 44.

Adding to 1420043434658 its reverse (8564343400241), we get a palindrome (9984386834899).

The spelling of 1420043434658 in words is "one trillion, four hundred twenty billion, forty-three million, four hundred thirty-four thousand, six hundred fifty-eight".