609909090142 has 8 divisors (see below), whose sum is σ = 998033056632. Its totient is φ = 277231404600.

The previous prime is 609909090107. The next prime is 609909090157. The reversal of 609909090142 is 241090909906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13861570209 + ... + 13861570252.

It is an arithmetic number, because the mean of its divisors is an integer number (124754132079).

Almost surely, 2^609909090142 is an apocalyptic number.

609909090142 is a deficient number, since it is larger than the sum of its proper divisors (388123966490).

609909090142 is a wasteful number, since it uses less digits than its factorization.

609909090142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27723140474.

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 609909090142 in words is "six hundred nine billion, nine hundred nine million, ninety thousand, one hundred forty-two".