48641978312 has 8 divisors (see below), whose sum is σ = 91203709350. Its totient is φ = 24320989152.

The previous prime is 48641978309. The next prime is 48641978317. The reversal of 48641978312 is 21387914684.

It can be written as a sum of positive squares in only one way, i.e., 30218259556 + 18423718756 = 173834^2 + 135734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (48641978317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3040123637 + ... + 3040123652.

Almost surely, 2^48641978312 is an apocalyptic number.

It is an amenable number.

48641978312 is a deficient number, since it is larger than the sum of its proper divisors (42561731038).

48641978312 is a wasteful number, since it uses less digits than its factorization.

48641978312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080247295 (or 6080247291 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 48641978312 in words is "forty-eight billion, six hundred forty-one million, nine hundred seventy-eight thousand, three hundred twelve".