67303689461 has 4 divisors (see below), whose sum is σ = 67582958124. Its totient is φ = 67024420800.

The previous prime is 67303689419. The next prime is 67303689539. The reversal of 67303689461 is 16498630376.

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 55861322500 + 11442366961 = 236350^2 + 106969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67303689461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67303689961) 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, 139633970 + ... + 139634451.

It is an arithmetic number, because the mean of its divisors is an integer number (16895739531).

Almost surely, 2^67303689461 is an apocalyptic number.

It is an amenable number.

67303689461 is a deficient number, since it is larger than the sum of its proper divisors (279268663).

67303689461 is a wasteful number, since it uses less digits than its factorization.

67303689461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279268662.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 67303689461 in words is "sixty-seven billion, three hundred three million, six hundred eighty-nine thousand, four hundred sixty-one".