67324977941 has 4 divisors (see below), whose sum is σ = 72503822412. Its totient is φ = 62146133472.

The previous prime is 67324977917. The next prime is 67324977949. The reversal of 67324977941 is 14977942376.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23160274225 + 44164703716 = 152185^2 + 210154^2 .

It is a cyclic number.

It is not a de Polignac number, because 67324977941 - 2³⁴ = 50145108757 is a prime.

It is a super-2 number, since 2×67324977941² (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 (67324977949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589422216 + ... + 2589422241.

It is an arithmetic number, because the mean of its divisors is an integer number (18125955603).

Almost surely, 2^67324977941 is an apocalyptic number.

It is an amenable number.

67324977941 is a deficient number, since it is larger than the sum of its proper divisors (5178844471).

67324977941 is a wasteful number, since it uses less digits than its factorization.

67324977941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178844470.

The product of its digits is 16003008, while the sum is 59.

The spelling of 67324977941 in words is "sixty-seven billion, three hundred twenty-four million, nine hundred seventy-seven thousand, nine hundred forty-one".