318648013588 has 6 divisors (see below), whose sum is σ = 557634023786. Its totient is φ = 159324006792.

The previous prime is 318648013559. The next prime is 318648013589. The reversal of 318648013588 is 885310846813.

It can be written as a sum of positive squares in only one way, i.e., 314958908944 + 3689104644 = 561212^2 + 60738^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318648013589) 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, 39831001695 + ... + 39831001702.

Almost surely, 2^318648013588 is an apocalyptic number.

It is an amenable number.

318648013588 is a deficient number, since it is larger than the sum of its proper divisors (238986010198).

318648013588 is a wasteful number, since it uses less digits than its factorization.

318648013588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79662003401 (or 79662003399 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 318648013588 in words is "three hundred eighteen billion, six hundred forty-eight million, thirteen thousand, five hundred eighty-eight".