48700528781 has 2 divisors, whose sum is σ = 48700528782. Its totient is φ = 48700528780.

The previous prime is 48700528741. The next prime is 48700528819. The reversal of 48700528781 is 18782500784.

48700528781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38677515556 + 10023013225 = 196666^2 + 100115^2 .

It is a cyclic number.

It is not a de Polignac number, because 48700528781 - 2⁶ = 48700528717 is a prime.

It is a super-2 number, since 2×48700528781² (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 (48700528741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24350264390 + 24350264391.

It is an arithmetic number, because the mean of its divisors is an integer number (24350264391).

Almost surely, 2^48700528781 is an apocalyptic number.

It is an amenable number.

48700528781 is a deficient number, since it is larger than the sum of its proper divisors (1).

48700528781 is an equidigital number, since it uses as much as digits as its factorization.

48700528781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The spelling of 48700528781 in words is "forty-eight billion, seven hundred million, five hundred twenty-eight thousand, seven hundred eighty-one".