13005434451 has 8 divisors (see below), whose sum is σ = 17444415744. Its totient is φ = 8618371400.

The previous prime is 13005434413. The next prime is 13005434467. The reversal of 13005434451 is 15443450031.

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 13005434451 - 2¹⁴ = 13005418067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13005434551) 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, 12978975 + ... + 12979976.

It is an arithmetic number, because the mean of its divisors is an integer number (2180551968).

Almost surely, 2^13005434451 is an apocalyptic number.

13005434451 is a deficient number, since it is larger than the sum of its proper divisors (4438981293).

13005434451 is a wasteful number, since it uses less digits than its factorization.

13005434451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25959121.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13005434451 its reverse (15443450031), we get a palindrome (28448884482).

The spelling of 13005434451 in words is "thirteen billion, five million, four hundred thirty-four thousand, four hundred fifty-one".