609428006697 has 4 divisors (see below), whose sum is σ = 812570675600. Its totient is φ = 406285337796.

The previous prime is 609428006689. The next prime is 609428006699. The reversal of 609428006697 is 796600824906.

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 not a de Polignac number, because 609428006697 - 2³ = 609428006689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609428006699) 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, 101571334447 + ... + 101571334452.

It is an arithmetic number, because the mean of its divisors is an integer number (203142668900).

Almost surely, 2^609428006697 is an apocalyptic number.

It is an amenable number.

609428006697 is a deficient number, since it is larger than the sum of its proper divisors (203142668903).

609428006697 is a wasteful number, since it uses less digits than its factorization.

609428006697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203142668902.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 609428006697 in words is "six hundred nine billion, four hundred twenty-eight million, six thousand, six hundred ninety-seven".