67107022049 has 4 divisors (see below), whose sum is σ = 67107802260. Its totient is φ = 67106241840.

The previous prime is 67107022039. The next prime is 67107022067. The reversal of 67107022049 is 94022070176.

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 60643987600 + 6463034449 = 246260^2 + 80393^2 .

It is a cyclic number.

It is not a de Polignac number, because 67107022049 - 2²⁴ = 67090244833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67107022039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242462 + ... + 439319.

It is an arithmetic number, because the mean of its divisors is an integer number (16776950565).

Almost surely, 2^67107022049 is an apocalyptic number.

It is an amenable number.

67107022049 is a deficient number, since it is larger than the sum of its proper divisors (780211).

67107022049 is an equidigital number, since it uses as much as digits as its factorization.

67107022049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780210.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 67107022049 in words is "sixty-seven billion, one hundred seven million, twenty-two thousand, forty-nine".