1421718897968 has 10 divisors (see below), whose sum is σ = 2754580364844. Its totient is φ = 710859448976.

The previous prime is 1421718897947. The next prime is 1421718898031. The reversal of 1421718897968 is 8697988171241.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44428715546 + ... + 44428715577.

Almost surely, 2^{1421718897968} is an apocalyptic number.

It is an amenable number.

1421718897968 is a deficient number, since it is larger than the sum of its proper divisors (1332861466876).

1421718897968 is an equidigital number, since it uses as much as digits as its factorization.

1421718897968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88857431131 (or 88857431125 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 71.

The spelling of 1421718897968 in words is "one trillion, four hundred twenty-one billion, seven hundred eighteen million, eight hundred ninety-seven thousand, nine hundred sixty-eight".