1317919916 has 6 divisors (see below), whose sum is σ = 2306359860. Its totient is φ = 658959956.

The previous prime is 1317919913. The next prime is 1317919937. The reversal of 1317919916 is 6199197131.

It is not an unprimeable number, because it can be changed into a prime (1317919913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164739986 + ... + 164739993.

It is an arithmetic number, because the mean of its divisors is an integer number (384393310).

Almost surely, 2^1317919916 is an apocalyptic number.

It is an amenable number.

1317919916 is a deficient number, since it is larger than the sum of its proper divisors (988439944).

1317919916 is a wasteful number, since it uses less digits than its factorization.

1317919916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329479983 (or 329479981 counting only the distinct ones).

The product of its digits is 91854, while the sum is 47.

The square root of 1317919916 is about 36303.1667489215. The cubic root of 1317919916 is about 1096.3848025886.

The spelling of 1317919916 in words is "one billion, three hundred seventeen million, nine hundred nineteen thousand, nine hundred sixteen".