2068880651 has 4 divisors (see below), whose sum is σ = 2069340000. Its totient is φ = 2068421304.

The previous prime is 2068880633. The next prime is 2068880657. The reversal of 2068880651 is 1560888602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2068880651 - 2¹⁰ = 2068879627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068880657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222851 + ... + 231948.

It is an arithmetic number, because the mean of its divisors is an integer number (517335000).

Almost surely, 2^2068880651 is an apocalyptic number.

2068880651 is a deficient number, since it is larger than the sum of its proper divisors (459349).

2068880651 is an equidigital number, since it uses as much as digits as its factorization.

2068880651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459348.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 2068880651 is about 45484.9497196600. The cubic root of 2068880651 is about 1274.2221375528. Note that the first 3 decimals are identical.

The spelling of 2068880651 in words is "two billion, sixty-eight million, eight hundred eighty thousand, six hundred fifty-one".