609669271 has 2 divisors, whose sum is σ = 609669272. Its totient is φ = 609669270.

The previous prime is 609669253. The next prime is 609669287. The reversal of 609669271 is 172966906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609669271 - 2⁷ = 609669143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609664271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304834635 + 304834636.

It is an arithmetic number, because the mean of its divisors is an integer number (304834636).

Almost surely, 2^609669271 is an apocalyptic number.

609669271 is a deficient number, since it is larger than the sum of its proper divisors (1).

609669271 is an equidigital number, since it uses as much as digits as its factorization.

609669271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 609669271 is about 24691.4817497857. The cubic root of 609669271 is about 847.9393085606.

The spelling of 609669271 in words is "six hundred nine million, six hundred sixty-nine thousand, two hundred seventy-one".