609729485 has 8 divisors (see below), whose sum is σ = 731819256. Its totient is φ = 487687680.

The previous prime is 609729467. The next prime is 609729503. The reversal of 609729485 is 584927906.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (609729467) and next prime (609729503).

It can be written as a sum of positive squares in 4 ways, for example, as 52911076 + 556818409 = 7274^2 + 23597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609729485 - 2⁸ = 609729229 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28277 + ... + 44933.

It is an arithmetic number, because the mean of its divisors is an integer number (91477407).

Almost surely, 2^609729485 is an apocalyptic number.

It is an amenable number.

609729485 is a deficient number, since it is larger than the sum of its proper divisors (122089771).

609729485 is a wasteful number, since it uses less digits than its factorization.

609729485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23983.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 609729485 is about 24692.7010470706. The cubic root of 609729485 is about 847.9672232236.

The spelling of 609729485 in words is "six hundred nine million, seven hundred twenty-nine thousand, four hundred eighty-five".