609144874 has 16 divisors (see below), whose sum is σ = 984682440. Its totient is φ = 280949760.

The previous prime is 609144869. The next prime is 609144931. The reversal of 609144874 is 478441906.

It can be written as a sum of positive squares in 4 ways, for example, as 607967649 + 1177225 = 24657^2 + 1085^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 609144874.

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, 34554 + ... + 49114.

Almost surely, 2^609144874 is an apocalyptic number.

609144874 is a deficient number, since it is larger than the sum of its proper divisors (375537566).

609144874 is a wasteful number, since it uses less digits than its factorization.

609144874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16185.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 609144874 is about 24680.8604793269. The cubic root of 609144874 is about 847.6961251387.

The spelling of 609144874 in words is "six hundred nine million, one hundred forty-four thousand, eight hundred seventy-four".