2068918867 has 2 divisors, whose sum is σ = 2068918868. Its totient is φ = 2068918866.

The previous prime is 2068918807. The next prime is 2068918903. The reversal of 2068918867 is 7688198602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2068918867 - 2¹¹ = 2068916819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2068918807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034459433 + 1034459434.

It is an arithmetic number, because the mean of its divisors is an integer number (1034459434).

Almost surely, 2^2068918867 is an apocalyptic number.

2068918867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068918867 is an equidigital number, since it uses as much as digits as its factorization.

2068918867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 2068918867 is about 45485.3698127211. The cubic root of 2068918867 is about 1274.2299832404.

The spelling of 2068918867 in words is "two billion, sixty-eight million, nine hundred eighteen thousand, eight hundred sixty-seven".