609840051 has 8 divisors (see below), whose sum is σ = 817820880. Its totient is φ = 404209632.

The previous prime is 609840013. The next prime is 609840059. The reversal of 609840051 is 150048906.

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

It is not a de Polignac number, because 609840051 - 2¹⁵ = 609807283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 609839994 and 609840021.

It is not an unprimeable number, because it can be changed into a prime (609840059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586996 + ... + 588033.

It is an arithmetic number, because the mean of its divisors is an integer number (102227610).

Almost surely, 2^609840051 is an apocalyptic number.

609840051 is a deficient number, since it is larger than the sum of its proper divisors (207980829).

609840051 is a wasteful number, since it uses less digits than its factorization.

609840051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175205.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 609840051 is about 24694.9397853082. The cubic root of 609840051 is about 848.0184758308.

Adding to 609840051 its reverse (150048906), we get a palindrome (759888957).

The spelling of 609840051 in words is "six hundred nine million, eight hundred forty thousand, fifty-one".