609390537641 has 16 divisors (see below), whose sum is σ = 636686023680. Its totient is φ = 582162232080.

The previous prime is 609390537631. The next prime is 609390537683. The reversal of 609390537641 is 146735093906.

It is a cyclic number.

It is not a de Polignac number, because 609390537641 - 2¹⁸ = 609390275497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609390537631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87264236 + ... + 87271218.

It is an arithmetic number, because the mean of its divisors is an integer number (39792876480).

Almost surely, 2^609390537641 is an apocalyptic number.

It is an amenable number.

609390537641 is a deficient number, since it is larger than the sum of its proper divisors (27295486039).

609390537641 is a wasteful number, since it uses less digits than its factorization.

609390537641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 609390537641 in words is "six hundred nine billion, three hundred ninety million, five hundred thirty-seven thousand, six hundred forty-one".