1309669374048 has 192 divisors, whose sum is σ = 4161091253760. Its totient is φ = 352098312192.

The previous prime is 1309669374037. The next prime is 1309669374049. The reversal of 1309669374048 is 8404739669031.

It is a junction number, because it is equal to n+sod(n) for n = 1309669373982 and 1309669374000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309669374049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61827523 + ... + 61848701.

It is an arithmetic number, because the mean of its divisors is an integer number (21672350280).

Almost surely, 2^{1309669374048} 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 1309669374048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080545626880).

1309669374048 is an abundant number, since it is smaller than the sum of its proper divisors (2851421879712).

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

1309669374048 is a wasteful number, since it uses less digits than its factorization.

1309669374048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26629 (or 26621 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 1309669374048 in words is "one trillion, three hundred nine billion, six hundred sixty-nine million, three hundred seventy-four thousand, forty-eight".