606191042549 has 4 divisors (see below), whose sum is σ = 607133797536. Its totient is φ = 605248287564.

The previous prime is 606191042537. The next prime is 606191042599. The reversal of 606191042549 is 945240191606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 606191042549 - 2¹⁶ = 606190977013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606191042599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471376529 + ... + 471377814.

It is an arithmetic number, because the mean of its divisors is an integer number (151783449384).

Almost surely, 2^606191042549 is an apocalyptic number.

It is an amenable number.

606191042549 is a deficient number, since it is larger than the sum of its proper divisors (942754987).

606191042549 is an equidigital number, since it uses as much as digits as its factorization.

606191042549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942754986.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 606191042549 in words is "six hundred six billion, one hundred ninety-one million, forty-two thousand, five hundred forty-nine".