918536364388 has 12 divisors (see below), whose sum is σ = 1607445980140. Its totient is φ = 459266084352.

The previous prime is 918536364377. The next prime is 918536364419. The reversal of 918536364388 is 883463635819.

It can be written as a sum of positive squares in 2 ways, for example, as 751935248164 + 166601116224 = 867142^2 + 408168^2 .

It is a super-2 number, since 2×918536364388² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876520 + ... + 1614112.

Almost surely, 2^918536364388 is an apocalyptic number.

It is an amenable number.

918536364388 is a deficient number, since it is larger than the sum of its proper divisors (688909615752).

918536364388 is a wasteful number, since it uses less digits than its factorization.

918536364388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048926 (or 1048924 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 64.

The spelling of 918536364388 in words is "nine hundred eighteen billion, five hundred thirty-six million, three hundred sixty-four thousand, three hundred eighty-eight".