1969523088 has 80 divisors (see below), whose sum is σ = 5548811520. Its totient is φ = 598321152.

The previous prime is 1969523077. The next prime is 1969523107. The reversal of 1969523088 is 8803259691.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1969523088.

It is an unprimeable number.

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, 29320 + ... + 69272.

It is an arithmetic number, because the mean of its divisors is an integer number (69360144).

Almost surely, 2^1969523088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1969523088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774405760).

1969523088 is an abundant number, since it is smaller than the sum of its proper divisors (3579288432).

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

1969523088 is a wasteful number, since it uses less digits than its factorization.

1969523088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40056 (or 40050 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 1969523088 is about 44379.3092330198. The cubic root of 1969523088 is about 1253.4885139329.

The spelling of 1969523088 in words is "one billion, nine hundred sixty-nine million, five hundred twenty-three thousand, eighty-eight".