21483550148 has 24 divisors (see below), whose sum is σ = 40778680824. Its totient is φ = 9863321600.

The previous prime is 21483550147. The next prime is 21483550163. The reversal of 21483550148 is 84105538412.

It can be written as a sum of positive squares in 4 ways, for example, as 6061444 + 21477488704 = 2462^2 + 146552^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (21483550147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850073 + ... + 3855648.

It is an arithmetic number, because the mean of its divisors is an integer number (1699111701).

Almost surely, 2^21483550148 is an apocalyptic number.

It is an amenable number.

21483550148 is a deficient number, since it is larger than the sum of its proper divisors (19295130676).

21483550148 is a wasteful number, since it uses less digits than its factorization.

21483550148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705783 (or 7705781 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 21483550148 in words is "twenty-one billion, four hundred eighty-three million, five hundred fifty thousand, one hundred forty-eight".