1481252082489 has 9 divisors (see below), whose sum is σ = 2139591615343. Its totient is φ = 987498954192.

The previous prime is 1481252082439. The next prime is 1481252082571. The reversal of 1481252082489 is 9842802521841.

The square root of 1481252082489 is 1217067.

It is a perfect power (a square), and thus also a powerful number.

1481252082489 is a `hidden beast` number, since 1 + 4 + 8 + 12 + 520 + 8 + 24 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 784494604089 + 696757478400 = 885717^2 + 834720^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1481252082489 - 2³⁷ = 1343813129017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481252082439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3448357 + ... + 3854045.

Almost surely, 2^{1481252082489} is an apocalyptic number.

1481252082489 is the 1217067-th square number.

1481252082489 is the 608534-th centered octagonal number.

It is an amenable number.

1481252082489 is a deficient number, since it is larger than the sum of its proper divisors (658339532854).

1481252082489 is an frugal number, since it uses more digits than its factorization.

1481252082489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811384 (or 405692 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 1481252082489 in words is "one trillion, four hundred eighty-one billion, two hundred fifty-two million, eighty-two thousand, four hundred eighty-nine".