68451701000 has 64 divisors (see below), whose sum is σ = 160219341360. Its totient is φ = 27373440000.

The previous prime is 68451700991. The next prime is 68451701023. The reversal of 68451701000 is 10715486.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6174502084 + 62277198916 = 78578^2 + 249554^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374640 + ... + 5387360.

Almost surely, 2^68451701000 is an apocalyptic number.

It is an amenable number.

68451701000 is an abundant number, since it is smaller than the sum of its proper divisors (91767640360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68451701000 is a wasteful number, since it uses less digits than its factorization.

68451701000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18123 (or 18109 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 68451701000 in words is "sixty-eight billion, four hundred fifty-one million, seven hundred one thousand".