18475365290 has 16 divisors (see below), whose sum is σ = 33296178600. Its totient is φ = 7381141440.

The previous prime is 18475365253. The next prime is 18475365299. The reversal of 18475365290 is 9256357481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14751802849 + 3723562441 = 121457^2 + 61021^2 .

It is a super-3 number, since 3×18475365290³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18475365299) 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 7 ways as a sum of consecutive naturals, for example, 1116965 + ... + 1133384.

It is a 1-persistent number, because it is pandigital, but 2⋅18475365290 = 36950730580 is not.

Almost surely, 2^18475365290 is an apocalyptic number.

18475365290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18475365290 is a deficient number, since it is larger than the sum of its proper divisors (14820813310).

18475365290 is a wasteful number, since it uses less digits than its factorization.

18475365290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251177.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 18475365290 in words is "eighteen billion, four hundred seventy-five million, three hundred sixty-five thousand, two hundred ninety".