67608004669 has 4 divisors (see below), whose sum is σ = 67846902496. Its totient is φ = 67369106844.

The previous prime is 67608004631. The next prime is 67608004679. The reversal of 67608004669 is 96640080676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67608004669 - 2²³ = 67599616061 is a prime.

It is a super-2 number, since 2×67608004669² (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 (67608004609) 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, 119448489 + ... + 119449054.

It is an arithmetic number, because the mean of its divisors is an integer number (16961725624).

Almost surely, 2^67608004669 is an apocalyptic number.

It is an amenable number.

67608004669 is a deficient number, since it is larger than the sum of its proper divisors (238897827).

67608004669 is a wasteful number, since it uses less digits than its factorization.

67608004669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238897826.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 67608004669 in words is "sixty-seven billion, six hundred eight million, four thousand, six hundred sixty-nine".