609162469 has 2 divisors, whose sum is σ = 609162470. Its totient is φ = 609162468.

The previous prime is 609162457. The next prime is 609162473. The reversal of 609162469 is 964261906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602113444 + 7049025 = 24538^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 609162469 - 2¹⁹ = 608638181 is a prime.

It is a super-2 number, since 2×609162469² = 742157827276351922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609162269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304581234 + 304581235.

It is an arithmetic number, because the mean of its divisors is an integer number (304581235).

Almost surely, 2^609162469 is an apocalyptic number.

It is an amenable number.

609162469 is a deficient number, since it is larger than the sum of its proper divisors (1).

609162469 is an equidigital number, since it uses as much as digits as its factorization.

609162469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 609162469 is about 24681.2169270480. The cubic root of 609162469 is about 847.7042868916.

The spelling of 609162469 in words is "six hundred nine million, one hundred sixty-two thousand, four hundred sixty-nine".