68422424651 has 4 divisors (see below), whose sum is σ = 78197056752. Its totient is φ = 58647792552.

The previous prime is 68422424627. The next prime is 68422424723. The reversal of 68422424651 is 15642422486.

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 68422424651 - 2³⁴ = 51242555467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68422424251) 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, 4887316040 + ... + 4887316053.

It is an arithmetic number, because the mean of its divisors is an integer number (19549264188).

Almost surely, 2^68422424651 is an apocalyptic number.

68422424651 is a deficient number, since it is larger than the sum of its proper divisors (9774632101).

68422424651 is an equidigital number, since it uses as much as digits as its factorization.

68422424651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9774632100.

The product of its digits is 737280, while the sum is 44.

The spelling of 68422424651 in words is "sixty-eight billion, four hundred twenty-two million, four hundred twenty-four thousand, six hundred fifty-one".