1421323414009 has 4 divisors (see below), whose sum is σ = 1421333104804. Its totient is φ = 1421313723216.

The previous prime is 1421323413893. The next prime is 1421323414039. The reversal of 1421323414009 is 9004143231241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220644393984 + 1200679020025 = 469728^2 + 1095755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421323414009 - 2²⁷ = 1421189196281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421323414039) 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, 4621962 + ... + 4919875.

It is an arithmetic number, because the mean of its divisors is an integer number (355333276201).

Almost surely, 2^{1421323414009} is an apocalyptic number.

It is an amenable number.

1421323414009 is a deficient number, since it is larger than the sum of its proper divisors (9690795).

1421323414009 is an equidigital number, since it uses as much as digits as its factorization.

1421323414009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9690794.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 1421323414009 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-three million, four hundred fourteen thousand, nine".