606056621647 has 2 divisors, whose sum is σ = 606056621648. Its totient is φ = 606056621646.

The previous prime is 606056621561. The next prime is 606056621683. The reversal of 606056621647 is 746126650606.

606056621647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 606056621647 - 2³¹ = 603909137999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 606056621647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606056621147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303028310823 + 303028310824.

It is an arithmetic number, because the mean of its divisors is an integer number (303028310824).

Almost surely, 2^606056621647 is an apocalyptic number.

606056621647 is a deficient number, since it is larger than the sum of its proper divisors (1).

606056621647 is an equidigital number, since it uses as much as digits as its factorization.

606056621647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 606056621647 in words is "six hundred six billion, fifty-six million, six hundred twenty-one thousand, six hundred forty-seven".