746543424345647 has 4 divisors (see below), whose sum is σ = 746544179441976. Its totient is φ = 746542669249320.

The previous prime is 746543424345613. The next prime is 746543424345679.

It is a happy number.

746543424345647 is nontrivially palindromic in base 10.

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 746543424345647 - 2¹² = 746543424341551 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 (746543424335647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376063208 + ... + 378043149.

It is an arithmetic number, because the mean of its divisors is an integer number (186636044860494).

Almost surely, 2^{746543424345647} is an apocalyptic number.

746543424345647 is a deficient number, since it is larger than the sum of its proper divisors (755096329).

746543424345647 is an equidigital number, since it uses as much as digits as its factorization.

746543424345647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755096328.

The product of its digits is 3251404800, while the sum is 68.

The spelling of 746543424345647 in words is "seven hundred forty-six trillion, five hundred forty-three billion, four hundred twenty-four million, three hundred forty-five thousand, six hundred forty-seven".