48285747621 has 20 divisors (see below), whose sum is σ = 72224452300. Its totient is φ = 32148596736.

The previous prime is 48285747611. The next prime is 48285747673. The reversal of 48285747621 is 12674758284.

48285747621 is a `hidden beast` number, since 4 + 8 + 2 + 8 + 5 + 7 + 4 + 7 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7202916900 + 41082830721 = 84870^2 + 202689^2 .

It is not a de Polignac number, because 48285747621 - 2¹³ = 48285739429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48285747611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 325306 + ... + 449883.

It is an arithmetic number, because the mean of its divisors is an integer number (3611222615).

Almost surely, 2^48285747621 is an apocalyptic number.

It is an amenable number.

48285747621 is a deficient number, since it is larger than the sum of its proper divisors (23938704679).

48285747621 is an equidigital number, since it uses as much as digits as its factorization.

48285747621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775970 (or 775961 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 48285747621 in words is "forty-eight billion, two hundred eighty-five million, seven hundred forty-seven thousand, six hundred twenty-one".