606465749 has 2 divisors, whose sum is σ = 606465750. Its totient is φ = 606465748.

The previous prime is 606465737. The next prime is 606465763. The reversal of 606465749 is 947564606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454116100 + 152349649 = 21310^2 + 12343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606465749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606465149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303232874 + 303232875.

It is an arithmetic number, because the mean of its divisors is an integer number (303232875).

Almost surely, 2^606465749 is an apocalyptic number.

It is an amenable number.

606465749 is a deficient number, since it is larger than the sum of its proper divisors (1).

606465749 is an equidigital number, since it uses as much as digits as its factorization.

606465749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 606465749 is about 24626.5253131659. The cubic root of 606465749 is about 846.4515270810.

The spelling of 606465749 in words is "six hundred six million, four hundred sixty-five thousand, seven hundred forty-nine".