2069066929788 has 72 divisors (see below), whose sum is σ = 5361647630976. Its totient is φ = 672372249600.

The previous prime is 2069066929781. The next prime is 2069066929793. The reversal of 2069066929788 is 8879296609602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069066929781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1493845 + ... + 2523827.

It is an arithmetic number, because the mean of its divisors is an integer number (74467328208).

Almost surely, 2^{2069066929788} 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 2069066929788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2680823815488).

2069066929788 is an abundant number, since it is smaller than the sum of its proper divisors (3292580701188).

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

2069066929788 is a wasteful number, since it uses less digits than its factorization.

2069066929788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031395 (or 1031390 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 2069066929788 in words is "two trillion, sixty-nine billion, sixty-six million, nine hundred twenty-nine thousand, seven hundred eighty-eight".