609100042 has 8 divisors (see below), whose sum is σ = 913769856. Its totient is φ = 304510092.

The previous prime is 609100039. The next prime is 609100057. The reversal of 609100042 is 240001906.

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

It is a super-2 number, since 2×609100042² = 742005722328803528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 609099986 and 609100022.

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, 5703 + ... + 35365.

It is an arithmetic number, because the mean of its divisors is an integer number (114221232).

Almost surely, 2^609100042 is an apocalyptic number.

609100042 is a deficient number, since it is larger than the sum of its proper divisors (304669814).

609100042 is a wasteful number, since it uses less digits than its factorization.

609100042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39932.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 609100042 is about 24679.9522284789. The cubic root of 609100042 is about 847.6753283099.

Adding to 609100042 its reverse (240001906), we get a palindrome (849101948).

The spelling of 609100042 in words is "six hundred nine million, one hundred thousand, forty-two".