14231456646 has 64 divisors (see below), whose sum is σ = 33002311680. Its totient is φ = 4045883040.

The previous prime is 14231456467. The next prime is 14231456647. The reversal of 14231456646 is 64665413241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14231456598 and 14231456607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14231456647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74071 + ... + 184253.

It is an arithmetic number, because the mean of its divisors is an integer number (515661120).

Almost surely, 2^14231456646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14231456646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16501155840).

14231456646 is an abundant number, since it is smaller than the sum of its proper divisors (18770855034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14231456646 is a wasteful number, since it uses less digits than its factorization.

14231456646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110321.

The product of its digits is 414720, while the sum is 42.

Adding to 14231456646 its reverse (64665413241), we get a palindrome (78896869887).

The spelling of 14231456646 in words is "fourteen billion, two hundred thirty-one million, four hundred fifty-six thousand, six hundred forty-six".