13424655642431 has 8 divisors (see below), whose sum is σ = 14697949206864. Its totient is φ = 12160173798720.

The previous prime is 13424655642383. The next prime is 13424655642443.

13424655642431 is nontrivially palindromic in base 10.

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 13424655642431 - 2⁶ = 13424655642367 is a prime.

It is a super-2 number, since 2×13424655642431² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13424655642431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424655642031) 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, 2202926990 + ... + 2202933083.

It is an arithmetic number, because the mean of its divisors is an integer number (1837243650858).

Almost surely, 2^{13424655642431} is an apocalyptic number.

13424655642431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13424655642431 is a deficient number, since it is larger than the sum of its proper divisors (1273293564433).

13424655642431 is a wasteful number, since it uses less digits than its factorization.

13424655642431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405860361.

The product of its digits is 8294400, while the sum is 50.

It can be divided in two parts, 1342465 and 5642431, that added together give a palindrome (6984896).

The spelling of 13424655642431 in words is "thirteen trillion, four hundred twenty-four billion, six hundred fifty-five million, six hundred forty-two thousand, four hundred thirty-one".