38461148809 has 4 divisors (see below), whose sum is σ = 39186830916. Its totient is φ = 37735466704.

The previous prime is 38461148797. The next prime is 38461148903. The reversal of 38461148809 is 90884116483.

38461148809 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.

It can be written as a sum of positive squares in 2 ways, for example, as 13612355584 + 24848793225 = 116672^2 + 157635^2 .

It is a cyclic number.

It is not a de Polignac number, because 38461148809 - 2¹³ = 38461140617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38461148009) 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, 362840974 + ... + 362841079.

It is an arithmetic number, because the mean of its divisors is an integer number (9796707729).

Almost surely, 2^38461148809 is an apocalyptic number.

It is an amenable number.

38461148809 is a deficient number, since it is larger than the sum of its proper divisors (725682107).

38461148809 is an equidigital number, since it uses as much as digits as its factorization.

38461148809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725682106.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 38461148809 in words is "thirty-eight billion, four hundred sixty-one million, one hundred forty-eight thousand, eight hundred nine".