38499849985 has 8 divisors (see below), whose sum is σ = 46202031720. Its totient is φ = 30798405504.

The previous prime is 38499849979. The next prime is 38499849989. The reversal of 38499849985 is 58994899483.

It can be written as a sum of positive squares in 4 ways, for example, as 8156736 + 38491693249 = 2856^2 + 196193^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38499849985 - 2¹¹ = 38499847937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38499849989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62052 + ... + 284341.

It is an arithmetic number, because the mean of its divisors is an integer number (5775253965).

Almost surely, 2^38499849985 is an apocalyptic number.

It is an amenable number.

38499849985 is a deficient number, since it is larger than the sum of its proper divisors (7702181735).

38499849985 is a wasteful number, since it uses less digits than its factorization.

38499849985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368627.

The product of its digits is 806215680, while the sum is 76.

The spelling of 38499849985 in words is "thirty-eight billion, four hundred ninety-nine million, eight hundred forty-nine thousand, nine hundred eighty-five".