67982102449 has 16 divisors (see below), whose sum is σ = 69468628096. Its totient is φ = 66515904000.

The previous prime is 67982102443. The next prime is 67982102479. The reversal of 67982102449 is 94420128976.

It is a cyclic number.

It is not a de Polignac number, because 67982102449 - 2⁹ = 67982101937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67982102396 and 67982102405.

It is not an unprimeable number, because it can be changed into a prime (67982102443) 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 15 ways as a sum of consecutive naturals, for example, 3079519 + ... + 3101515.

It is an arithmetic number, because the mean of its divisors is an integer number (4341789256).

Almost surely, 2^67982102449 is an apocalyptic number.

It is an amenable number.

67982102449 is a deficient number, since it is larger than the sum of its proper divisors (1486525647).

67982102449 is a wasteful number, since it uses less digits than its factorization.

67982102449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22456.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 67982102449 in words is "sixty-seven billion, nine hundred eighty-two million, one hundred two thousand, four hundred forty-nine".