1481019849 has 16 divisors (see below), whose sum is σ = 2214613440. Its totient is φ = 978117120.

The previous prime is 1481019817. The next prime is 1481019851. The reversal of 1481019849 is 9489101841.

It is not a de Polignac number, because 1481019849 - 2⁵ = 1481019817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1481019149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253432 + ... + 259209.

It is an arithmetic number, because the mean of its divisors is an integer number (138413340).

Almost surely, 2^1481019849 is an apocalyptic number.

It is an amenable number.

1481019849 is a deficient number, since it is larger than the sum of its proper divisors (733593591).

1481019849 is a wasteful number, since it uses less digits than its factorization.

1481019849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512757 (or 512751 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 1481019849 is about 38484.0206969074. The cubic root of 1481019849 is about 1139.8655450844.

The spelling of 1481019849 in words is "one billion, four hundred eighty-one million, nineteen thousand, eight hundred forty-nine".