68002010851 has 4 divisors (see below), whose sum is σ = 68002870600. Its totient is φ = 68001151104.

The previous prime is 68002010849. The next prime is 68002010861. The reversal of 68002010851 is 15801020086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68002010851 - 2¹ = 68002010849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68002010801) 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, 297681 + ... + 473938.

It is an arithmetic number, because the mean of its divisors is an integer number (17000717650).

Almost surely, 2^68002010851 is an apocalyptic number.

68002010851 is a deficient number, since it is larger than the sum of its proper divisors (859749).

68002010851 is an equidigital number, since it uses as much as digits as its factorization.

68002010851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859748.

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 68002010851 in words is "sixty-eight billion, two million, ten thousand, eight hundred fifty-one".