609432853 has 2 divisors, whose sum is σ = 609432854. Its totient is φ = 609432852.

The previous prime is 609432841. The next prime is 609432877. The reversal of 609432853 is 358234906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512252689 + 97180164 = 22633^2 + 9858^2 .

It is a cyclic number.

It is not a de Polignac number, because 609432853 - 2⁵ = 609432821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609432053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304716426 + 304716427.

It is an arithmetic number, because the mean of its divisors is an integer number (304716427).

Almost surely, 2^609432853 is an apocalyptic number.

It is an amenable number.

609432853 is a deficient number, since it is larger than the sum of its proper divisors (1).

609432853 is an equidigital number, since it uses as much as digits as its factorization.

609432853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 609432853 is about 24686.6938450656. The cubic root of 609432853 is about 847.8296895463.

The spelling of 609432853 in words is "six hundred nine million, four hundred thirty-two thousand, eight hundred fifty-three".