2068813729 has 12 divisors (see below), whose sum is σ = 2170803712. Its totient is φ = 1971426600.

The previous prime is 2068813693. The next prime is 2068813771. The reversal of 2068813729 is 9273188602.

It is not a de Polignac number, because 2068813729 - 2⁷ = 2068813601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068813829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136144 + ... + 150574.

Almost surely, 2^2068813729 is an apocalyptic number.

It is an amenable number.

2068813729 is a deficient number, since it is larger than the sum of its proper divisors (101989983).

2068813729 is a wasteful number, since it uses less digits than its factorization.

2068813729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748 (or 14725 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 2068813729 is about 45484.2140637826. The cubic root of 2068813729 is about 1274.2083983338.

The spelling of 2068813729 in words is "two billion, sixty-eight million, eight hundred thirteen thousand, seven hundred twenty-nine".