327663950409 has 16 divisors (see below), whose sum is σ = 485493296640. Its totient is φ = 218413283760.

The previous prime is 327663950333. The next prime is 327663950413. The reversal of 327663950409 is 904059366723.

327663950409 is a `hidden beast` number, since 3 + 2 + 76 + 63 + 9 + 504 + 0 + 9 = 666.

It is not a de Polignac number, because 327663950409 - 2²⁰ = 327662901833 is a prime.

It is a super-2 number, since 2×327663950409² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (327663950479) 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, 609657 + ... + 1013414.

It is an arithmetic number, because the mean of its divisors is an integer number (30343331040).

Almost surely, 2^327663950409 is an apocalyptic number.

It is an amenable number.

327663950409 is a deficient number, since it is larger than the sum of its proper divisors (157829346231).

327663950409 is a wasteful number, since it uses less digits than its factorization.

327663950409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630557 (or 1630551 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 327663950409 in words is "three hundred twenty-seven billion, six hundred sixty-three million, nine hundred fifty thousand, four hundred nine".