68427640501 has 8 divisors (see below), whose sum is σ = 74655237024. Its totient is φ = 62201194320.

The previous prime is 68427640499. The next prime is 68427640517. The reversal of 68427640501 is 10504672486.

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

It is a cyclic number.

It is not a de Polignac number, because 68427640501 - 2¹ = 68427640499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68427640591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160770 + ... + 403363.

It is an arithmetic number, because the mean of its divisors is an integer number (9331904628).

Almost surely, 2^68427640501 is an apocalyptic number.

It is an amenable number.

68427640501 is a deficient number, since it is larger than the sum of its proper divisors (6227596523).

68427640501 is a wasteful number, since it uses less digits than its factorization.

68427640501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575171.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 68427640501 in words is "sixty-eight billion, four hundred twenty-seven million, six hundred forty thousand, five hundred one".