609890133 has 16 divisors (see below), whose sum is σ = 832778496. Its totient is φ = 396876480.

The previous prime is 609890117. The next prime is 609890137. The reversal of 609890133 is 331098906.

609890133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609890133 - 2⁴ = 609890117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 609890091 and 609890100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609890137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21588 + ... + 41058.

It is an arithmetic number, because the mean of its divisors is an integer number (52048656).

Almost surely, 2^609890133 is an apocalyptic number.

It is an amenable number.

609890133 is a deficient number, since it is larger than the sum of its proper divisors (222888363).

609890133 is a wasteful number, since it uses less digits than its factorization.

609890133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 609890133 is about 24695.9537778965. The cubic root of 609890133 is about 848.0416891847.

The spelling of 609890133 in words is "six hundred nine million, eight hundred ninety thousand, one hundred thirty-three".