664583442743 has 8 divisors (see below), whose sum is σ = 741860587776. Its totient is φ = 590116375800.

The previous prime is 664583442707. The next prime is 664583442767. The reversal of 664583442743 is 347244385466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 664583442743 - 2³⁶ = 595863966007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664583442343) 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 7 ways as a sum of consecutive naturals, for example, 702519023 + ... + 702519968.

It is an arithmetic number, because the mean of its divisors is an integer number (92732573472).

Almost surely, 2^664583442743 is an apocalyptic number.

664583442743 is a deficient number, since it is larger than the sum of its proper divisors (77277145033).

664583442743 is a wasteful number, since it uses less digits than its factorization.

664583442743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405039045.

The product of its digits is 46448640, while the sum is 56.

The spelling of 664583442743 in words is "six hundred sixty-four billion, five hundred eighty-three million, four hundred forty-two thousand, seven hundred forty-three".