606692890637 has 2 divisors, whose sum is σ = 606692890638. Its totient is φ = 606692890636.

The previous prime is 606692890633. The next prime is 606692890681. The reversal of 606692890637 is 736098296606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315272143081 + 291420747556 = 561491^2 + 539834^2 .

It is a cyclic number.

It is not a de Polignac number, because 606692890637 - 2² = 606692890633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 606692890637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606692890633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303346445318 + 303346445319.

It is an arithmetic number, because the mean of its divisors is an integer number (303346445319).

Almost surely, 2^606692890637 is an apocalyptic number.

It is an amenable number.

606692890637 is a deficient number, since it is larger than the sum of its proper divisors (1).

606692890637 is an equidigital number, since it uses as much as digits as its factorization.

606692890637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 62.

The spelling of 606692890637 in words is "six hundred six billion, six hundred ninety-two million, eight hundred ninety thousand, six hundred thirty-seven".