48521148869 has 2 divisors, whose sum is σ = 48521148870. Its totient is φ = 48521148868.

The previous prime is 48521148853. The next prime is 48521148877. The reversal of 48521148869 is 96884112584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44761864900 + 3759283969 = 211570^2 + 61313^2 .

It is a cyclic number.

It is not a de Polignac number, because 48521148869 - 2⁴ = 48521148853 is a prime.

It is a super-2 number, since 2×48521148869² (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 (48521148889) 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, 24260574434 + 24260574435.

It is an arithmetic number, because the mean of its divisors is an integer number (24260574435).

Almost surely, 2^48521148869 is an apocalyptic number.

It is an amenable number.

48521148869 is a deficient number, since it is larger than the sum of its proper divisors (1).

48521148869 is an equidigital number, since it uses as much as digits as its factorization.

48521148869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4423680, while the sum is 56.

The spelling of 48521148869 in words is "forty-eight billion, five hundred twenty-one million, one hundred forty-eight thousand, eight hundred sixty-nine".