654246414667 has 4 divisors (see below), whose sum is σ = 654248101936. Its totient is φ = 654244727400.

The previous prime is 654246414649. The next prime is 654246414677. The reversal of 654246414667 is 766414642456.

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

It is a cyclic number.

It is not a de Polignac number, because 654246414667 - 2¹¹ = 654246412619 is a prime.

It is a super-2 number, since 2×654246414667² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654246414617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62218 + ... + 1145584.

It is an arithmetic number, because the mean of its divisors is an integer number (163562025484).

Almost surely, 2^654246414667 is an apocalyptic number.

654246414667 is a deficient number, since it is larger than the sum of its proper divisors (1687269).

654246414667 is a wasteful number, since it uses less digits than its factorization.

654246414667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687268.

The product of its digits is 23224320, while the sum is 55.

The spelling of 654246414667 in words is "six hundred fifty-four billion, two hundred forty-six million, four hundred fourteen thousand, six hundred sixty-seven".