18288486513 has 24 divisors (see below), whose sum is σ = 29165441760. Its totient is φ = 10950384960.

The previous prime is 18288486497. The next prime is 18288486523. The reversal of 18288486513 is 31568488281.

18288486513 is a `hidden beast` number, since 1 + 8 + 2 + 88 + 48 + 6 + 513 = 666.

It is not a de Polignac number, because 18288486513 - 2⁴ = 18288486497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18288486513.

It is not an unprimeable number, because it can be changed into a prime (18288486523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104628 + ... + 1121061.

It is an arithmetic number, because the mean of its divisors is an integer number (1215226740).

Almost surely, 2^18288486513 is an apocalyptic number.

It is an amenable number.

18288486513 is a deficient number, since it is larger than the sum of its proper divisors (10876955247).

18288486513 is a wasteful number, since it uses less digits than its factorization.

18288486513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225789 (or 2225786 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 18288486513 in words is "eighteen billion, two hundred eighty-eight million, four hundred eighty-six thousand, five hundred thirteen".