18300286953 has 24 divisors (see below), whose sum is σ = 28500256512. Its totient is φ = 11248603488.

The previous prime is 18300286897. The next prime is 18300287039. The reversal of 18300286953 is 35968200381.

It is a happy number.

18300286953 is a `hidden beast` number, since 18 + 300 + 286 + 9 + 53 = 666.

It is not a de Polignac number, because 18300286953 - 2¹⁶ = 18300221417 is a prime.

It is a super-3 number, since 3×18300286953³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18300286899 and 18300286908.

It is not an unprimeable number, because it can be changed into a prime (18300286153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10350 + ... + 191592.

It is an arithmetic number, because the mean of its divisors is an integer number (1187510688).

Almost surely, 2^18300286953 is an apocalyptic number.

18300286953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18300286953 is a deficient number, since it is larger than the sum of its proper divisors (10199969559).

18300286953 is a wasteful number, since it uses less digits than its factorization.

18300286953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182125 (or 182122 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 18300286953 in words is "eighteen billion, three hundred million, two hundred eighty-six thousand, nine hundred fifty-three".