1421342424217 has 16 divisors (see below), whose sum is σ = 1479193721280. Its totient is φ = 1364848793152.

The previous prime is 1421342424149. The next prime is 1421342424239. The reversal of 1421342424217 is 7124242431241.

It is a cyclic number.

It is not a de Polignac number, because 1421342424217 - 2¹⁵ = 1421342391449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421342424017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291358 + ... + 1711015.

It is an arithmetic number, because the mean of its divisors is an integer number (92449607580).

Almost surely, 2^{1421342424217} is an apocalyptic number.

It is an amenable number.

1421342424217 is a deficient number, since it is larger than the sum of its proper divisors (57851297063).

1421342424217 is a wasteful number, since it uses less digits than its factorization.

1421342424217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002712.

The product of its digits is 86016, while the sum is 37.

Adding to 1421342424217 its reverse (7124242431241), we get a palindrome (8545584855458).

The spelling of 1421342424217 in words is "one trillion, four hundred twenty-one billion, three hundred forty-two million, four hundred twenty-four thousand, two hundred seventeen".