68536822069 has 8 divisors (see below), whose sum is σ = 70144538112. Its totient is φ = 66929735040.

The previous prime is 68536822061. The next prime is 68536822103. The reversal of 68536822069 is 96022863586.

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 68536822069 - 2³ = 68536822061 is a prime.

It is a super-2 number, since 2×68536822069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68536822061) 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, 66924 + ... + 376234.

It is an arithmetic number, because the mean of its divisors is an integer number (8768067264).

Almost surely, 2^68536822069 is an apocalyptic number.

It is an amenable number.

68536822069 is a deficient number, since it is larger than the sum of its proper divisors (1607716043).

68536822069 is a wasteful number, since it uses less digits than its factorization.

68536822069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314507.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 68536822069 in words is "sixty-eight billion, five hundred thirty-six million, eight hundred twenty-two thousand, sixty-nine".