609799997908 has 12 divisors (see below), whose sum is σ = 1123315785760. Its totient is φ = 288852630552.

The previous prime is 609799997903. The next prime is 609799997953. The reversal of 609799997908 is 809799997906.

It is a super-3 number, since 3×609799997908³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609799997903) 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, 4011842016 + ... + 4011842167.

Almost surely, 2^609799997908 is an apocalyptic number.

It is an amenable number.

609799997908 is a deficient number, since it is larger than the sum of its proper divisors (513515787852).

609799997908 is a wasteful number, since it uses less digits than its factorization.

609799997908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023684206 (or 8023684204 counting only the distinct ones).

The product of its (nonzero) digits is 1249949232, while the sum is 82.

The spelling of 609799997908 in words is "six hundred nine billion, seven hundred ninety-nine million, nine hundred ninety-seven thousand, nine hundred eight".