38461582521871 has 4 divisors (see below), whose sum is σ = 38549194327600. Its totient is φ = 38373970716144.

The previous prime is 38461582521839. The next prime is 38461582521979. The reversal of 38461582521871 is 17812528516483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38461582521871 - 2⁵ = 38461582521839 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 (38461522521871) 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, 43805902206 + ... + 43805903083.

It is an arithmetic number, because the mean of its divisors is an integer number (9637298581900).

Almost surely, 2^{38461582521871} is an apocalyptic number.

38461582521871 is a deficient number, since it is larger than the sum of its proper divisors (87611805729).

38461582521871 is an equidigital number, since it uses as much as digits as its factorization.

38461582521871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87611805728.

The product of its digits is 25804800, while the sum is 61.

The spelling of 38461582521871 in words is "thirty-eight trillion, four hundred sixty-one billion, five hundred eighty-two million, five hundred twenty-one thousand, eight hundred seventy-one".