38870804183749 has 4 divisors (see below), whose sum is σ = 38870817580800. Its totient is φ = 38870790786700.

The previous prime is 38870804183741. The next prime is 38870804183773. The reversal of 38870804183749 is 94738140807883.

38870804183749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38870804183749 - 2³ = 38870804183741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870804183741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324799 + ... + 8823100.

It is an arithmetic number, because the mean of its divisors is an integer number (9717704395200).

Almost surely, 2^{38870804183749} is an apocalyptic number.

It is an amenable number.

38870804183749 is a deficient number, since it is larger than the sum of its proper divisors (13397051).

38870804183749 is an equidigital number, since it uses as much as digits as its factorization.

38870804183749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397050.

The product of its (nonzero) digits is 260112384, while the sum is 70.

The spelling of 38870804183749 in words is "thirty-eight trillion, eight hundred seventy billion, eight hundred four million, one hundred eighty-three thousand, seven hundred forty-nine".