606541564621 has 2 divisors, whose sum is σ = 606541564622. Its totient is φ = 606541564620.

The previous prime is 606541564589. The next prime is 606541564633. The reversal of 606541564621 is 126465145606.

606541564621 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 can be written as a sum of positive squares in only one way, i.e., 507813012100 + 98728552521 = 712610^2 + 314211^2 .

It is a cyclic number.

It is not a de Polignac number, because 606541564621 - 2⁵ = 606541564589 is a prime.

It is a super-2 number, since 2×606541564621² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606541564691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303270782310 + 303270782311.

It is an arithmetic number, because the mean of its divisors is an integer number (303270782311).

Almost surely, 2^606541564621 is an apocalyptic number.

It is an amenable number.

606541564621 is a deficient number, since it is larger than the sum of its proper divisors (1).

606541564621 is an equidigital number, since it uses as much as digits as its factorization.

606541564621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 606541564621 in words is "six hundred six billion, five hundred forty-one million, five hundred sixty-four thousand, six hundred twenty-one".