1309992089032 has 64 divisors (see below), whose sum is σ = 2799208056960. Its totient is φ = 568914508800.

The previous prime is 1309992089027. The next prime is 1309992089039. The reversal of 1309992089032 is 2309802999031.

It is not an unprimeable number, because it can be changed into a prime (1309992089039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415818 + ... + 2150470.

It is an arithmetic number, because the mean of its divisors is an integer number (43737625890).

Almost surely, 2^{1309992089032} 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 1309992089032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399604028480).

1309992089032 is an abundant number, since it is smaller than the sum of its proper divisors (1489215967928).

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

1309992089032 is a wasteful number, since it uses less digits than its factorization.

1309992089032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735574 (or 735570 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 1309992089032 in words is "one trillion, three hundred nine billion, nine hundred ninety-two million, eighty-nine thousand, thirty-two".