13225432421409 has 16 divisors (see below), whose sum is σ = 18993185370432. Its totient is φ = 8137518700608.

The previous prime is 13225432421407. The next prime is 13225432421417. The reversal of 13225432421409 is 90412423452231.

It is a happy number.

It is not a de Polignac number, because 13225432421409 - 2¹ = 13225432421407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13225432421407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24920367 + ... + 25445540.

It is an arithmetic number, because the mean of its divisors is an integer number (1187074085652).

Almost surely, 2^{13225432421409} is an apocalyptic number.

It is an amenable number.

13225432421409 is a deficient number, since it is larger than the sum of its proper divisors (5767752949023).

13225432421409 is a wasteful number, since it uses less digits than its factorization.

13225432421409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50372656.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 13225432421409 in words is "thirteen trillion, two hundred twenty-five billion, four hundred thirty-two million, four hundred twenty-one thousand, four hundred nine".