2118287848 has 8 divisors (see below), whose sum is σ = 3971789730. Its totient is φ = 1059143920.

The previous prime is 2118287819. The next prime is 2118287863. The reversal of 2118287848 is 8487828112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1203951204 + 914336644 = 34698^2 + 30238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2118287848² = 8974286813968942208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132392983 + ... + 132392998.

Almost surely, 2^2118287848 is an apocalyptic number.

It is an amenable number.

2118287848 is a deficient number, since it is larger than the sum of its proper divisors (1853501882).

2118287848 is a wasteful number, since it uses less digits than its factorization.

2118287848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264785987 (or 264785983 counting only the distinct ones).

The product of its digits is 458752, while the sum is 49.

The square root of 2118287848 is about 46024.8611947934. The cubic root of 2118287848 is about 1284.2857336491.

The spelling of 2118287848 in words is "two billion, one hundred eighteen million, two hundred eighty-seven thousand, eight hundred forty-eight".