38447869713 has 16 divisors (see below), whose sum is σ = 55927454400. Its totient is φ = 23300372480.

The previous prime is 38447869697. The next prime is 38447869717. The reversal of 38447869713 is 31796874483.

It is not a de Polignac number, because 38447869713 - 2⁴ = 38447869697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38447869717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058233 + ... + 1093961.

It is an arithmetic number, because the mean of its divisors is an integer number (3495465900).

Almost surely, 2^38447869713 is an apocalyptic number.

38447869713 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38447869713 is a deficient number, since it is larger than the sum of its proper divisors (17479584687).

38447869713 is a wasteful number, since it uses less digits than its factorization.

38447869713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68352.

The product of its digits is 24385536, while the sum is 60.

The spelling of 38447869713 in words is "thirty-eight billion, four hundred forty-seven million, eight hundred sixty-nine thousand, seven hundred thirteen".