1681441484 has 12 divisors (see below), whose sum is σ = 2942873808. Its totient is φ = 840620400.

The previous prime is 1681441481. The next prime is 1681441507. The reversal of 1681441484 is 4841441861.

It is a super-2 number, since 2×1681441484² = 5654490928232244512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1681441481) 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 3 ways as a sum of consecutive naturals, for example, 22754 + ... + 62294.

It is an arithmetic number, because the mean of its divisors is an integer number (245239484).

Almost surely, 2^1681441484 is an apocalyptic number.

It is an amenable number.

1681441484 is a deficient number, since it is larger than the sum of its proper divisors (1261432324).

1681441484 is a wasteful number, since it uses less digits than its factorization.

1681441484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50176 (or 50174 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 1681441484 is about 41005.3835977668. The cubic root of 1681441484 is about 1189.1242960692.

The spelling of 1681441484 in words is "one billion, six hundred eighty-one million, four hundred forty-one thousand, four hundred eighty-four".