48662138881 has 4 divisors (see below), whose sum is σ = 50340143700. Its totient is φ = 46984134064.

The previous prime is 48662138843. The next prime is 48662138911. The reversal of 48662138881 is 18883126684.

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 36777650625 + 11884488256 = 191775^2 + 109016^2 .

It is a cyclic number.

It is not a de Polignac number, because 48662138881 - 2¹⁵ = 48662106113 is a prime.

It is a super-2 number, since 2×48662138881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48662138281) 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, 839002366 + ... + 839002423.

It is an arithmetic number, because the mean of its divisors is an integer number (12585035925).

Almost surely, 2^48662138881 is an apocalyptic number.

It is an amenable number.

48662138881 is a deficient number, since it is larger than the sum of its proper divisors (1678004819).

48662138881 is a wasteful number, since it uses less digits than its factorization.

48662138881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678004818.

The product of its digits is 3538944, while the sum is 55.

The spelling of 48662138881 in words is "forty-eight billion, six hundred sixty-two million, one hundred thirty-eight thousand, eight hundred eighty-one".