609803429 has 4 divisors (see below), whose sum is σ = 609931884. Its totient is φ = 609674976.

The previous prime is 609803399. The next prime is 609803431. The reversal of 609803429 is 924308906.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924308906 = 2 ⋅462154453.

It can be written as a sum of positive squares in 2 ways, for example, as 79744900 + 530058529 = 8930^2 + 23023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609803429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609803479) 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, 56822 + ... + 66695.

It is an arithmetic number, because the mean of its divisors is an integer number (152482971).

Almost surely, 2^609803429 is an apocalyptic number.

It is an amenable number.

609803429 is a deficient number, since it is larger than the sum of its proper divisors (128455).

609803429 is a wasteful number, since it uses less digits than its factorization.

609803429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128454.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 609803429 is about 24694.1982862372. The cubic root of 609803429 is about 848.0015004757.

The spelling of 609803429 in words is "six hundred nine million, eight hundred three thousand, four hundred twenty-nine".