1868335366867 has 2 divisors, whose sum is σ = 1868335366868. Its totient is φ = 1868335366866.

The previous prime is 1868335366861. The next prime is 1868335366873. The reversal of 1868335366867 is 7686635338681.

It is a balanced prime because it is at equal distance from previous prime (1868335366861) and next prime (1868335366873).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1868335366867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1868335366796 and 1868335366805.

It is not a weakly prime, because it can be changed into another prime (1868335366861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934167683433 + 934167683434.

It is an arithmetic number, because the mean of its divisors is an integer number (934167683434).

Almost surely, 2^{1868335366867} is an apocalyptic number.

1868335366867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868335366867 is an equidigital number, since it uses as much as digits as its factorization.

1868335366867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627056640, while the sum is 70.

The spelling of 1868335366867 in words is "one trillion, eight hundred sixty-eight billion, three hundred thirty-five million, three hundred sixty-six thousand, eight hundred sixty-seven".