18854532848 has 10 divisors (see below), whose sum is σ = 36530657424. Its totient is φ = 9427266416.

The previous prime is 18854532821. The next prime is 18854532869. The reversal of 18854532848 is 84823545881.

It is a super-2 number, since 2×18854532848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18854532793 and 18854532802.

It is a congruent number.

It is an unprimeable number.

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, 589204136 + ... + 589204167.

Almost surely, 2^18854532848 is an apocalyptic number.

It is an amenable number.

18854532848 is a deficient number, since it is larger than the sum of its proper divisors (17676124576).

18854532848 is a wasteful number, since it uses less digits than its factorization.

18854532848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178408311 (or 1178408305 counting only the distinct ones).

The product of its digits is 9830400, while the sum is 56.

The spelling of 18854532848 in words is "eighteen billion, eight hundred fifty-four million, five hundred thirty-two thousand, eight hundred forty-eight".