21414411443 has 8 divisors (see below), whose sum is σ = 21449049600. Its totient is φ = 21379795848.

The previous prime is 21414411419. The next prime is 21414411461. The reversal of 21414411443 is 34411441412.

It is a happy number.

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 21414411443 - 2⁶ = 21414411379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21414411463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353828 + ... + 3360206.

It is an arithmetic number, because the mean of its divisors is an integer number (2681131200).

Almost surely, 2^21414411443 is an apocalyptic number.

21414411443 is a deficient number, since it is larger than the sum of its proper divisors (34638157).

21414411443 is an equidigital number, since it uses as much as digits as its factorization.

21414411443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281.

The product of its digits is 6144, while the sum is 29.

Adding to 21414411443 its reverse (34411441412), we get a palindrome (55825852855).

The spelling of 21414411443 in words is "twenty-one billion, four hundred fourteen million, four hundred eleven thousand, four hundred forty-three".