13000434421 has 8 divisors (see below), whose sum is σ = 14001523200. Its totient is φ = 11999496432.

The previous prime is 13000434407. The next prime is 13000434427. The reversal of 13000434421 is 12443400031.

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 13000434421 - 2²⁹ = 12463563509 is a prime.

It is a super-2 number, since 2×13000434421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13000434392 and 13000434401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000434427) 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, 194280 + ... + 252478.

It is an arithmetic number, because the mean of its divisors is an integer number (1750190400).

Almost surely, 2^13000434421 is an apocalyptic number.

It is an amenable number.

13000434421 is a deficient number, since it is larger than the sum of its proper divisors (1001088779).

13000434421 is a wasteful number, since it uses less digits than its factorization.

13000434421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75395.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13000434421 its reverse (12443400031), we get a palindrome (25443834452).

The spelling of 13000434421 in words is "thirteen billion, four hundred thirty-four thousand, four hundred twenty-one".