606746412989 has 2 divisors, whose sum is σ = 606746412990. Its totient is φ = 606746412988.

The previous prime is 606746412983. The next prime is 606746413019. The reversal of 606746412989 is 989214647606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464265076900 + 142481336089 = 681370^2 + 377467^2 .

It is a cyclic number.

It is not a de Polignac number, because 606746412989 - 2²⁴ = 606729635773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606746412983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303373206494 + 303373206495.

It is an arithmetic number, because the mean of its divisors is an integer number (303373206495).

Almost surely, 2^606746412989 is an apocalyptic number.

It is an amenable number.

606746412989 is a deficient number, since it is larger than the sum of its proper divisors (1).

606746412989 is an equidigital number, since it uses as much as digits as its factorization.

606746412989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 606746412989 in words is "six hundred six billion, seven hundred forty-six million, four hundred twelve thousand, nine hundred eighty-nine".