1324435432161 has 4 divisors (see below), whose sum is σ = 1765913909552. Its totient is φ = 882956954772.

The previous prime is 1324435432157. The next prime is 1324435432163. The reversal of 1324435432161 is 1612345344231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1324435432161 - 2² = 1324435432157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324435432163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220739238691 + ... + 220739238696.

It is an arithmetic number, because the mean of its divisors is an integer number (441478477388).

Almost surely, 2^{1324435432161} is an apocalyptic number.

It is an amenable number.

1324435432161 is a deficient number, since it is larger than the sum of its proper divisors (441478477391).

1324435432161 is an equidigital number, since it uses as much as digits as its factorization.

1324435432161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441478477390.

The product of its digits is 207360, while the sum is 39.

The spelling of 1324435432161 in words is "one trillion, three hundred twenty-four billion, four hundred thirty-five million, four hundred thirty-two thousand, one hundred sixty-one".