48985271669 has 2 divisors, whose sum is σ = 48985271670. Its totient is φ = 48985271668.

The previous prime is 48985271663. The next prime is 48985271719. The reversal of 48985271669 is 96617258984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46349784100 + 2635487569 = 215290^2 + 51337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48985271669 is a prime.

It is a super-2 number, since 2×48985271669² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48985271663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24492635834 + 24492635835.

It is an arithmetic number, because the mean of its divisors is an integer number (24492635835).

Almost surely, 2^48985271669 is an apocalyptic number.

It is an amenable number.

48985271669 is a deficient number, since it is larger than the sum of its proper divisors (1).

48985271669 is an equidigital number, since it uses as much as digits as its factorization.

48985271669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 65.

The spelling of 48985271669 in words is "forty-eight billion, nine hundred eighty-five million, two hundred seventy-one thousand, six hundred sixty-nine".