8484921081 has 48 divisors (see below), whose sum is σ = 15095342080. Its totient is φ = 4472288640.

The previous prime is 8484921079. The next prime is 8484921083. The reversal of 8484921081 is 1801294848.

8484921081 is a `hidden beast` number, since 8 + 484 + 92 + 1 + 0 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (8484921079) and next prime (8484921083).

It is not a de Polignac number, because 8484921081 - 2¹ = 8484921079 is a prime.

It is a super-2 number, since 2×8484921081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8484921083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1462296 + ... + 1468086.

Almost surely, 2^8484921081 is an apocalyptic number.

It is an amenable number.

8484921081 is a deficient number, since it is larger than the sum of its proper divisors (6610420999).

8484921081 is a wasteful number, since it uses less digits than its factorization.

8484921081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606 (or 7603 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 8484921081 is about 92113.6313528025. The cubic root of 8484921081 is about 2039.6200337598.

The spelling of 8484921081 in words is "eight billion, four hundred eighty-four million, nine hundred twenty-one thousand, eighty-one".