67338232749 has 6 divisors (see below), whose sum is σ = 97266336206. Its totient is φ = 44892155160.

The previous prime is 67338232697. The next prime is 67338232751. The reversal of 67338232749 is 94723283376.

67338232749 is a `hidden beast` number, since 6 + 7 + 338 + 232 + 74 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67310670249 + 27562500 = 259443^2 + 5250^2 .

It is not a de Polignac number, because 67338232749 - 2²¹ = 67336135597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67338232695 and 67338232704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67338232799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3741012922 + ... + 3741012939.

Almost surely, 2^67338232749 is an apocalyptic number.

It is an amenable number.

67338232749 is a deficient number, since it is larger than the sum of its proper divisors (29928103457).

67338232749 is a wasteful number, since it uses less digits than its factorization.

67338232749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482025867 (or 7482025864 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 67338232749 in words is "sixty-seven billion, three hundred thirty-eight million, two hundred thirty-two thousand, seven hundred forty-nine".