1884148481 has 6 divisors (see below), whose sum is σ = 1930388082. Its totient is φ = 1837922480.

The previous prime is 1884148439. The next prime is 1884148507. The reversal of 1884148481 is 1848414881.

It can be written as a sum of positive squares in only one way, i.e., 1148871025 + 735277456 = 33895^2 + 27116^2 .

It is not a de Polignac number, because 1884148481 - 2⁶ = 1884148417 is a prime.

It is a super-2 number, since 2×1884148481² = 7100030996909214722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1884148181) 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 5 ways as a sum of consecutive naturals, for example, 274550 + ... + 281328.

It is an arithmetic number, because the mean of its divisors is an integer number (321731347).

Almost surely, 2^1884148481 is an apocalyptic number.

It is an amenable number.

1884148481 is a deficient number, since it is larger than the sum of its proper divisors (46239601).

1884148481 is an frugal number, since it uses more digits than its factorization.

1884148481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599 (or 6820 counting only the distinct ones).

The product of its digits is 262144, while the sum is 47.

The square root of 1884148481 is about 43406.7792055573. The cubic root of 1884148481 is about 1235.1083037017.

The spelling of 1884148481 in words is "one billion, eight hundred eighty-four million, one hundred forty-eight thousand, four hundred eighty-one".