1331919484 has 12 divisors (see below), whose sum is σ = 2663839024. Its totient is φ = 570822624.

The previous prime is 1331919473. The next prime is 1331919499. The reversal of 1331919484 is 4849191331.

1331919484 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331919484.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23784249 + ... + 23784304.

Almost surely, 2^1331919484 is an apocalyptic number.

1331919484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1331919484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331919484 is a wasteful number, since it uses less digits than its factorization.

1331919484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47568564 (or 47568562 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 1331919484 is about 36495.4721027143. The cubic root of 1331919484 is about 1100.2532430711.

The spelling of 1331919484 in words is "one billion, three hundred thirty-one million, nine hundred nineteen thousand, four hundred eighty-four".