18063302450 has 54 divisors (see below), whose sum is σ = 34156564119. Its totient is φ = 7107097440.

The previous prime is 18063302447. The next prime is 18063302459. The reversal of 18063302450 is 5420336081.

It can be written as a sum of positive squares in 5 ways, for example, as 15232743241 + 2830559209 = 123421^2 + 53203^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=95035.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18063302459) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78878936 + ... + 78879164.

Almost surely, 2^18063302450 is an apocalyptic number.

18063302450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18063302450 is a deficient number, since it is larger than the sum of its proper divisors (16093261669).

18063302450 is an frugal number, since it uses more digits than its factorization.

18063302450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Multiplying 18063302450 by its sum of digits (32), we get a square (578025678400 = 760280²).

The spelling of 18063302450 in words is "eighteen billion, sixty-three million, three hundred two thousand, four hundred fifty".