1483181987 has 4 divisors (see below), whose sum is σ = 1695065136. Its totient is φ = 1271298840.

The previous prime is 1483181981. The next prime is 1483181989. The reversal of 1483181987 is 7891813841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7891813841 = 1321 ⋅5974121.

It is not a de Polignac number, because 1483181987 - 2¹⁶ = 1483116451 is a prime.

It is a super-2 number, since 2×1483181987² = 4399657613122536338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1483181981) 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 3 ways as a sum of consecutive naturals, for example, 105941564 + ... + 105941577.

It is an arithmetic number, because the mean of its divisors is an integer number (423766284).

Almost surely, 2^1483181987 is an apocalyptic number.

1483181987 is a deficient number, since it is larger than the sum of its proper divisors (211883149).

1483181987 is an equidigital number, since it uses as much as digits as its factorization.

1483181987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211883148.

The product of its digits is 387072, while the sum is 50.

The square root of 1483181987 is about 38512.1018252705. The cubic root of 1483181987 is about 1140.4199712016.

The spelling of 1483181987 in words is "one billion, four hundred eighty-three million, one hundred eighty-one thousand, nine hundred eighty-seven".