13154312433421 has 8 divisors (see below), whose sum is σ = 13171578436800. Its totient is φ = 13137051918048.

The previous prime is 13154312433343. The next prime is 13154312433487. The reversal of 13154312433421 is 12433421345131.

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 13154312433421 - 2³¹ = 13152164949773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154312434421) 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, 3436030 + ... + 6173728.

It is an arithmetic number, because the mean of its divisors is an integer number (1646447304600).

Almost surely, 2^{13154312433421} is an apocalyptic number.

It is an amenable number.

13154312433421 is a deficient number, since it is larger than the sum of its proper divisors (17266003379).

13154312433421 is an equidigital number, since it uses as much as digits as its factorization.

13154312433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744003.

The product of its digits is 103680, while the sum is 37.

Adding to 13154312433421 its reverse (12433421345131), we get a palindrome (25587733778552).

The spelling of 13154312433421 in words is "thirteen trillion, one hundred fifty-four billion, three hundred twelve million, four hundred thirty-three thousand, four hundred twenty-one".