1421341817 has 8 divisors (see below), whose sum is σ = 1624763712. Its totient is φ = 1218013200.

The previous prime is 1421341813. The next prime is 1421341861. The reversal of 1421341817 is 7181431241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421341817 - 2² = 1421341813 is a prime.

It is a super-2 number, since 2×1421341817² = 4040425121505722978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421341811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13142 + ... + 54912.

It is an arithmetic number, because the mean of its divisors is an integer number (203095464).

Almost surely, 2^1421341817 is an apocalyptic number.

It is an amenable number.

1421341817 is a deficient number, since it is larger than the sum of its proper divisors (203421895).

1421341817 is an equidigital number, since it uses as much as digits as its factorization.

1421341817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46639.

The product of its digits is 5376, while the sum is 32.

The square root of 1421341817 is about 37700.6872218531. The cubic root of 1421341817 is about 1124.3447883815.

The spelling of 1421341817 in words is "one billion, four hundred twenty-one million, three hundred forty-one thousand, eight hundred seventeen".