48741686331661 has 4 divisors (see below), whose sum is σ = 48922882191900. Its totient is φ = 48560490471424.

The previous prime is 48741686331643. The next prime is 48741686331733. The reversal of 48741686331661 is 16613368614784.

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 17973309376036 + 30768376955625 = 4239494^2 + 5546925^2 .

It is a cyclic number.

It is not a de Polignac number, because 48741686331661 - 2³⁷ = 48604247378189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48741686331593 and 48741686331602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48741686331061) 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, 90597929716 + ... + 90597930253.

It is an arithmetic number, because the mean of its divisors is an integer number (12230720547975).

Almost surely, 2^{48741686331661} is an apocalyptic number.

It is an amenable number.

48741686331661 is a deficient number, since it is larger than the sum of its proper divisors (181195860239).

48741686331661 is a wasteful number, since it uses less digits than its factorization.

48741686331661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181195860238.

The product of its digits is 83607552, while the sum is 64.

The spelling of 48741686331661 in words is "forty-eight trillion, seven hundred forty-one billion, six hundred eighty-six million, three hundred thirty-one thousand, six hundred sixty-one".