38184109985 has 16 divisors (see below), whose sum is σ = 54643597056. Its totient is φ = 25044980928.

The previous prime is 38184109919. The next prime is 38184109991. The reversal of 38184109985 is 58990148183.

It is a cyclic number.

It is not a de Polignac number, because 38184109985 - 2¹⁰ = 38184108961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38184109985.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23716034 + ... + 23717643.

It is an arithmetic number, because the mean of its divisors is an integer number (3415224816).

Almost surely, 2^38184109985 is an apocalyptic number.

38184109985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38184109985 is a deficient number, since it is larger than the sum of its proper divisors (16459487071).

38184109985 is a wasteful number, since it uses less digits than its factorization.

38184109985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47433712.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 38184109985 in words is "thirty-eight billion, one hundred eighty-four million, one hundred nine thousand, nine hundred eighty-five".