18534388010 has 8 divisors (see below), whose sum is σ = 33361898436. Its totient is φ = 7413755200.

The previous prime is 18534388009. The next prime is 18534388069. The reversal of 18534388010 is 1088343581.

It can be written as a sum of positive squares in 2 ways, for example, as 18534371881 + 16129 = 136141^2 + 127^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926719391 + ... + 926719410.

Almost surely, 2^18534388010 is an apocalyptic number.

18534388010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18534388010 is a deficient number, since it is larger than the sum of its proper divisors (14827510426).

18534388010 is a wasteful number, since it uses less digits than its factorization.

18534388010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853438808.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 18534388010 in words is "eighteen billion, five hundred thirty-four million, three hundred eighty-eight thousand, ten".