3309388079712 has 768 divisors, whose sum is σ = 10709867298816. Its totient is φ = 881362944000.

The previous prime is 3309388079687. The next prime is 3309388079741. The reversal of 3309388079712 is 2179708839033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4789273287 + ... + 4789273977.

It is an arithmetic number, because the mean of its divisors is an integer number (13945139712).

Almost surely, 2^{3309388079712} is an apocalyptic number.

3309388079712 is a gapful number since it is divisible by the number (32) 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 3309388079712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5354933649408).

3309388079712 is an abundant number, since it is smaller than the sum of its proper divisors (7400479219104).

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

3309388079712 is a wasteful number, since it uses less digits than its factorization.

3309388079712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 3309388079712 in words is "three trillion, three hundred nine billion, three hundred eighty-eight million, seventy-nine thousand, seven hundred twelve".