2068351687 has 2 divisors, whose sum is σ = 2068351688. Its totient is φ = 2068351686.

The previous prime is 2068351669. The next prime is 2068351697. The reversal of 2068351687 is 7861538602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2068351687 - 2¹⁵ = 2068318919 is a prime.

It is a super-2 number, since 2×2068351687² = 8556157402231491938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068351667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034175843 + 1034175844.

It is an arithmetic number, because the mean of its divisors is an integer number (1034175844).

Almost surely, 2^2068351687 is an apocalyptic number.

2068351687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068351687 is an equidigital number, since it uses as much as digits as its factorization.

2068351687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2068351687 is about 45479.1346333679. The cubic root of 2068351687 is about 1274.1135321112.

The spelling of 2068351687 in words is "two billion, sixty-eight million, three hundred fifty-one thousand, six hundred eighty-seven".