68250024281 has 4 divisors (see below), whose sum is σ = 69837234192. Its totient is φ = 66662814372.

The previous prime is 68250024263. The next prime is 68250024289. The reversal of 68250024281 is 18242005286.

68250024281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68250024281 - 2¹⁴ = 68250007897 is a prime.

It is a super-2 number, since 2×68250024281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68250024289) 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, 793604891 + ... + 793604976.

It is an arithmetic number, because the mean of its divisors is an integer number (17459308548).

Almost surely, 2^68250024281 is an apocalyptic number.

It is an amenable number.

68250024281 is a deficient number, since it is larger than the sum of its proper divisors (1587209911).

68250024281 is a wasteful number, since it uses less digits than its factorization.

68250024281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587209910.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 68250024281 in words is "sixty-eight billion, two hundred fifty million, twenty-four thousand, two hundred eighty-one".