68337884999 has 2 divisors, whose sum is σ = 68337885000. Its totient is φ = 68337884998.

The previous prime is 68337884981. The next prime is 68337885019. The reversal of 68337884999 is 99948873386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68337884999 - 2¹⁶ = 68337819463 is a prime.

It is a super-2 number, since 2×68337884999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337884399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168942499 + 34168942500.

It is an arithmetic number, because the mean of its divisors is an integer number (34168942500).

Almost surely, 2^68337884999 is an apocalyptic number.

68337884999 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337884999 is an equidigital number, since it uses as much as digits as its factorization.

68337884999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564350976, while the sum is 74.

The spelling of 68337884999 in words is "sixty-eight billion, three hundred thirty-seven million, eight hundred eighty-four thousand, nine hundred ninety-nine".