606444621463 has 4 divisors (see below), whose sum is σ = 606447479560. Its totient is φ = 606441763368.

The previous prime is 606444621457. The next prime is 606444621467. The reversal of 606444621463 is 364126444606.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606444621463 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 (606444621467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082808 + ... + 1544461.

It is an arithmetic number, because the mean of its divisors is an integer number (151611869890).

Almost surely, 2^606444621463 is an apocalyptic number.

606444621463 is a deficient number, since it is larger than the sum of its proper divisors (2858097).

606444621463 is a wasteful number, since it uses less digits than its factorization.

606444621463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858096.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 606444621463 in words is "six hundred six billion, four hundred forty-four million, six hundred twenty-one thousand, four hundred sixty-three".