1481538519 has 20 divisors (see below), whose sum is σ = 2214268056. Its totient is φ = 987199056.

The previous prime is 1481538503. The next prime is 1481538523. The reversal of 1481538519 is 9158351841.

1481538519 is a `hidden beast` number, since 1 + 4 + 81 + 53 + 8 + 519 = 666.

It is not a de Polignac number, because 1481538519 - 2⁴ = 1481538503 is a prime.

It is a super-2 number, since 2×1481538519² = 4389912766561426722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481538119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 236917 + ... + 243089.

Almost surely, 2^1481538519 is an apocalyptic number.

1481538519 is a deficient number, since it is larger than the sum of its proper divisors (732729537).

1481538519 is an equidigital number, since it uses as much as digits as its factorization.

1481538519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148 (or 9139 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 1481538519 is about 38490.7588779437. The cubic root of 1481538519 is about 1139.9985941811.

The spelling of 1481538519 in words is "one billion, four hundred eighty-one million, five hundred thirty-eight thousand, five hundred nineteen".