1319689696 has 48 divisors (see below), whose sum is σ = 2804400144. Its totient is φ = 607693824.

The previous prime is 1319689667. The next prime is 1319689711. The reversal of 1319689696 is 6969869131.

It is a self number, because there is not a number n which added to its sum of digits gives 1319689696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190876 + ... + 197668.

It is an arithmetic number, because the mean of its divisors is an integer number (58425003).

Almost surely, 2^1319689696 is an apocalyptic number.

1319689696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1319689696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402200072).

1319689696 is an abundant number, since it is smaller than the sum of its proper divisors (1484710448).

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

1319689696 is a wasteful number, since it uses less digits than its factorization.

1319689696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283 (or 7275 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 58.

The square root of 1319689696 is about 36327.5335799170. The cubic root of 1319689696 is about 1096.8753463050.

The spelling of 1319689696 in words is "one billion, three hundred nineteen million, six hundred eighty-nine thousand, six hundred ninety-six".