609038717623 has 18 divisors (see below), whose sum is σ = 739439102168. Its totient is φ = 491297035200.

The previous prime is 609038717603. The next prime is 609038717689. The reversal of 609038717623 is 326717830906.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-609038717623 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 (609038717603) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35092398 + ... + 35109748.

Almost surely, 2^609038717623 is an apocalyptic number.

609038717623 is a deficient number, since it is larger than the sum of its proper divisors (130400384545).

609038717623 is an frugal number, since it uses more digits than its factorization.

609038717623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34743 (or 17375 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 609038717623 in words is "six hundred nine billion, thirty-eight million, seven hundred seventeen thousand, six hundred twenty-three".