67423610451 has 4 divisors (see below), whose sum is σ = 89898147272. Its totient is φ = 44949073632.

The previous prime is 67423610437. The next prime is 67423610453. The reversal of 67423610451 is 15401632476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67423610451 - 2¹⁰ = 67423609427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67423610453) 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, 11237268406 + ... + 11237268411.

It is an arithmetic number, because the mean of its divisors is an integer number (22474536818).

Almost surely, 2^67423610451 is an apocalyptic number.

67423610451 is a deficient number, since it is larger than the sum of its proper divisors (22474536821).

67423610451 is a wasteful number, since it uses less digits than its factorization.

67423610451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22474536820.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 67423610451 in words is "sixty-seven billion, four hundred twenty-three million, six hundred ten thousand, four hundred fifty-one".