67928344101 has 6 divisors (see below), whose sum is σ = 98118719270. Its totient is φ = 45285562728.

The previous prime is 67928344093. The next prime is 67928344147. The reversal of 67928344101 is 10144382976.

It can be written as a sum of positive squares in only one way, i.e., 61877060001 + 6051284100 = 248751^2 + 77790^2 .

It is not a de Polignac number, because 67928344101 - 2³ = 67928344093 is a prime.

It is a super-2 number, since 2×67928344101² (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 (67928344151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3773796886 + ... + 3773796903.

Almost surely, 2^67928344101 is an apocalyptic number.

It is an amenable number.

67928344101 is a deficient number, since it is larger than the sum of its proper divisors (30190375169).

67928344101 is a wasteful number, since it uses less digits than its factorization.

67928344101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547593795 (or 7547593792 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 67928344101 in words is "sixty-seven billion, nine hundred twenty-eight million, three hundred forty-four thousand, one hundred one".