13432013414521 has 16 divisors (see below), whose sum is σ = 14818752901008. Its totient is φ = 12095803468800.

The previous prime is 13432013414509. The next prime is 13432013414591. The reversal of 13432013414521 is 12541431023431.

It can be written as a sum of positive squares in 8 ways, for example, as 6446622560400 + 6985390854121 = 2539020^2 + 2642989^2 .

It is not a de Polignac number, because 13432013414521 - 2²¹ = 13432011317369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13432013414591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10963605 + ... + 12127021.

It is an arithmetic number, because the mean of its divisors is an integer number (926172056313).

Almost surely, 2^{13432013414521} is an apocalyptic number.

It is an amenable number.

13432013414521 is a deficient number, since it is larger than the sum of its proper divisors (1386739486487).

13432013414521 is a wasteful number, since it uses less digits than its factorization.

13432013414521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185132.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 13432013414521 its reverse (12541431023431), we get a palindrome (25973444437952).

The spelling of 13432013414521 in words is "thirteen trillion, four hundred thirty-two billion, thirteen million, four hundred fourteen thousand, five hundred twenty-one".