3838724478073 has 4 divisors (see below), whose sum is σ = 3903787604880. Its totient is φ = 3773661351268.

The previous prime is 3838724478053. The next prime is 3838724478077. The reversal of 3838724478073 is 3708744278383.

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.

It is a cyclic number.

It is not a de Polignac number, because 3838724478073 - 2²¹ = 3838722380921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3838724477996 and 3838724478014.

It is not an unprimeable number, because it can be changed into a prime (3838724478077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32531563315 + ... + 32531563432.

It is an arithmetic number, because the mean of its divisors is an integer number (975946901220).

Almost surely, 2^{3838724478073} is an apocalyptic number.

It is an amenable number.

3838724478073 is a deficient number, since it is larger than the sum of its proper divisors (65063126807).

3838724478073 is an equidigital number, since it uses as much as digits as its factorization.

3838724478073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65063126806.

The product of its (nonzero) digits is 151732224, while the sum is 64.

The spelling of 3838724478073 in words is "three trillion, eight hundred thirty-eight billion, seven hundred twenty-four million, four hundred seventy-eight thousand, seventy-three".