18273510130 has 16 divisors (see below), whose sum is σ = 33512928984. Its totient is φ = 7171490560.

The previous prime is 18273510121. The next prime is 18273510169. The reversal of 18273510130 is 3101537281.

It can be written as a sum of positive squares in 4 ways, for example, as 18202596889 + 70913241 = 134917^2 + 8421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18273510092 and 18273510101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17238631 + ... + 17239690.

Almost surely, 2^18273510130 is an apocalyptic number.

18273510130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18273510130 is a deficient number, since it is larger than the sum of its proper divisors (15239418854).

18273510130 is a wasteful number, since it uses less digits than its factorization.

18273510130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34478381.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 18273510130 in words is "eighteen billion, two hundred seventy-three million, five hundred ten thousand, one hundred thirty".