18211488954 has 8 divisors (see below), whose sum is σ = 36422977920. Its totient is φ = 6070496316.

The previous prime is 18211488929. The next prime is 18211488959. The reversal of 18211488954 is 45988411281.

It is a sphenic number, since it is the product of 3 distinct primes.

18211488954 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18211488897 and 18211488906.

It is not an unprimeable number, because it can be changed into a prime (18211488959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517624074 + ... + 1517624085.

It is an arithmetic number, because the mean of its divisors is an integer number (4552872240).

Almost surely, 2^18211488954 is an apocalyptic number.

18211488954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18211488954 is a wasteful number, since it uses less digits than its factorization.

18211488954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035248164.

The product of its digits is 737280, while the sum is 51.

The spelling of 18211488954 in words is "eighteen billion, two hundred eleven million, four hundred eighty-eight thousand, nine hundred fifty-four".