326533144053 has 4 divisors (see below), whose sum is σ = 435377525408. Its totient is φ = 217688762700.

The previous prime is 326533144043. The next prime is 326533144061. The reversal of 326533144053 is 350441335623.

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 a de Polignac number, because none of the positive numbers 2^k-326533144053 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 (326533144013) 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, 54422190673 + ... + 54422190678.

It is an arithmetic number, because the mean of its divisors is an integer number (108844381352).

Almost surely, 2^326533144053 is an apocalyptic number.

It is an amenable number.

326533144053 is a deficient number, since it is larger than the sum of its proper divisors (108844381355).

326533144053 is a wasteful number, since it uses less digits than its factorization.

326533144053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108844381354.

The product of its (nonzero) digits is 388800, while the sum is 39.

Adding to 326533144053 its reverse (350441335623), we get a palindrome (676974479676).

The spelling of 326533144053 in words is "three hundred twenty-six billion, five hundred thirty-three million, one hundred forty-four thousand, fifty-three".