327631452149 has 4 divisors (see below), whose sum is σ = 338929088460. Its totient is φ = 316333815840.

The previous prime is 327631452143. The next prime is 327631452157. The reversal of 327631452149 is 941254136723.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102179319025 + 225452133124 = 319655^2 + 474818^2 .

It is a cyclic number.

It is not a de Polignac number, because 327631452149 - 2⁴ = 327631452133 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 (327631452143) 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, 5648818112 + ... + 5648818169.

It is an arithmetic number, because the mean of its divisors is an integer number (84732272115).

Almost surely, 2^327631452149 is an apocalyptic number.

It is an amenable number.

327631452149 is a deficient number, since it is larger than the sum of its proper divisors (11297636311).

327631452149 is a wasteful number, since it uses less digits than its factorization.

327631452149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297636310.

The product of its digits is 1088640, while the sum is 47.

The spelling of 327631452149 in words is "three hundred twenty-seven billion, six hundred thirty-one million, four hundred fifty-two thousand, one hundred forty-nine".