4487495482981 has 48 divisors (see below), whose sum is σ = 5445885659760. Its totient is φ = 3683788416000.

The previous prime is 4487495482973. The next prime is 4487495483039. The reversal of 4487495482981 is 1892845947844.

It can be written as a sum of positive squares in 8 ways, for example, as 1421319380481 + 3066176102500 = 1192191^2 + 1751050^2 .

It is not a de Polignac number, because 4487495482981 - 2³ = 4487495482973 is a prime.

It is a super-2 number, since 2×4487495482981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487495482931) 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, 62341471 + ... + 62413411.

It is an arithmetic number, because the mean of its divisors is an integer number (113455951245).

Almost surely, 2^{4487495482981} is an apocalyptic number.

4487495482981 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4487495482981 is a deficient number, since it is larger than the sum of its proper divisors (958390176779).

4487495482981 is a wasteful number, since it uses less digits than its factorization.

4487495482981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72566 (or 72559 counting only the distinct ones).

The product of its digits is 743178240, while the sum is 73.

The spelling of 4487495482981 in words is "four trillion, four hundred eighty-seven billion, four hundred ninety-five million, four hundred eighty-two thousand, nine hundred eighty-one".