327919784649 has 16 divisors (see below), whose sum is σ = 478909221120. Its totient is φ = 198658638080.

The previous prime is 327919784593. The next prime is 327919784719. The reversal of 327919784649 is 946487919723.

It is a happy number.

It is not a de Polignac number, because 327919784649 - 2¹⁵ = 327919751881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (327919784249) 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, 110857137 + ... + 110860094.

It is an arithmetic number, because the mean of its divisors is an integer number (29931826320).

Almost surely, 2^327919784649 is an apocalyptic number.

It is an amenable number.

327919784649 is a deficient number, since it is larger than the sum of its proper divisors (150989436471).

327919784649 is a wasteful number, since it uses less digits than its factorization.

327919784649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221717280.

The product of its digits is 164602368, while the sum is 69.

The spelling of 327919784649 in words is "three hundred twenty-seven billion, nine hundred nineteen million, seven hundred eighty-four thousand, six hundred forty-nine".