67335385961 has 4 divisors (see below), whose sum is σ = 67350019152. Its totient is φ = 67320752772.

The previous prime is 67335385951. The next prime is 67335385963. The reversal of 67335385961 is 16958353376.

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 a de Polignac number, because none of the positive numbers 2^k-67335385961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67335385897 and 67335385906.

It is not an unprimeable number, because it can be changed into a prime (67335385963) 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, 7309691 + ... + 7318896.

It is an arithmetic number, because the mean of its divisors is an integer number (16837504788).

Almost surely, 2^67335385961 is an apocalyptic number.

It is an amenable number.

67335385961 is a deficient number, since it is larger than the sum of its proper divisors (14633191).

67335385961 is a wasteful number, since it uses less digits than its factorization.

67335385961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633190.

The product of its digits is 12247200, while the sum is 56.

The spelling of 67335385961 in words is "sixty-seven billion, three hundred thirty-five million, three hundred eighty-five thousand, nine hundred sixty-one".