68258033810 has 8 divisors (see below), whose sum is σ = 122864460876. Its totient is φ = 27303213520.

The previous prime is 68258033773. The next prime is 68258033819. The reversal of 68258033810 is 1833085286.

It can be written as a sum of positive squares in 2 ways, for example, as 66483012649 + 1775021161 = 257843^2 + 42131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68258033810² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68258033819) 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, 3412901681 + ... + 3412901700.

Almost surely, 2^68258033810 is an apocalyptic number.

68258033810 is a deficient number, since it is larger than the sum of its proper divisors (54606427066).

68258033810 is a wasteful number, since it uses less digits than its factorization.

68258033810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825803388.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 68258033810 in words is "sixty-eight billion, two hundred fifty-eight million, thirty-three thousand, eight hundred ten".