13434643430 has 128 divisors (see below), whose sum is σ = 27360571392. Its totient is φ = 4717440000.

The previous prime is 13434643421. The next prime is 13434643447. The reversal of 13434643430 is 3434643431.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49574195 + ... + 49574465.

It is an arithmetic number, because the mean of its divisors is an integer number (213754464).

Almost surely, 2^13434643430 is an apocalyptic number.

13434643430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13434643430 is an abundant number, since it is smaller than the sum of its proper divisors (13925927962).

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

13434643430 is a wasteful number, since it uses less digits than its factorization.

13434643430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 124416, while the sum is 35.

Subtracting from 13434643430 its reverse (3434643431), we obtain a palindrome (9999999999).

The spelling of 13434643430 in words is "thirteen billion, four hundred thirty-four million, six hundred forty-three thousand, four hundred thirty".