2609644598 has 16 divisors (see below), whose sum is σ = 4271173200. Its totient is φ = 1185967200.

The previous prime is 2609644579. The next prime is 2609644603. The reversal of 2609644598 is 8954469062.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153608 + ... + 169748.

It is an arithmetic number, because the mean of its divisors is an integer number (266948325).

Almost surely, 2^2609644598 is an apocalyptic number.

2609644598 is a deficient number, since it is larger than the sum of its proper divisors (1661528602).

2609644598 is a wasteful number, since it uses less digits than its factorization.

2609644598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23503.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The square root of 2609644598 is about 51084.6806586867. The cubic root of 2609644598 is about 1376.7670237258.

It can be divided in two parts, 260964 and 4598, that added together give a palindrome (265562).

The spelling of 2609644598 in words is "two billion, six hundred nine million, six hundred forty-four thousand, five hundred ninety-eight".