609610995 has 32 divisors (see below), whose sum is σ = 1238576640. Its totient is φ = 278678880.

The previous prime is 609610961. The next prime is 609611011. The reversal of 609610995 is 599016906.

It is not a de Polignac number, because 609610995 - 2⁸ = 609610739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 609610995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321601 + ... + 323490.

It is an arithmetic number, because the mean of its divisors is an integer number (38705520).

Almost surely, 2^609610995 is an apocalyptic number.

609610995 is an abundant number, since it is smaller than the sum of its proper divisors (628965645).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609610995 is a wasteful number, since it uses less digits than its factorization.

609610995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645112 (or 645106 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 609610995 is about 24690.3016384977. The cubic root of 609610995 is about 847.9122905865.

The spelling of 609610995 in words is "six hundred nine million, six hundred ten thousand, nine hundred ninety-five".