2068809206415 has 32 divisors (see below), whose sum is σ = 3784722886656. Its totient is φ = 945301981440.

The previous prime is 2068809206393. The next prime is 2068809206447. The reversal of 2068809206415 is 5146029088602.

It is a happy number.

It is not a de Polignac number, because 2068809206415 - 2¹⁵ = 2068809173647 is a prime.

It is a super-3 number, since 3×2068809206415³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4349631 + ... + 4801760.

It is an arithmetic number, because the mean of its divisors is an integer number (118272590208).

Almost surely, 2^{2068809206415} is an apocalyptic number.

2068809206415 is a deficient number, since it is larger than the sum of its proper divisors (1715913680241).

2068809206415 is a wasteful number, since it uses less digits than its factorization.

2068809206415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153559.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 2068809206415 in words is "two trillion, sixty-eight billion, eight hundred nine million, two hundred six thousand, four hundred fifteen".