609995364484 has 81 divisors (see below), whose sum is σ = 1186763304279. Its totient is φ = 274138722000.

The previous prime is 609995364469. The next prime is 609995364521. The reversal of 609995364484 is 484463599906.

The square root of 609995364484 is 781022.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2250905269 + ... + 2250905539.

Almost surely, 2^609995364484 is an apocalyptic number.

609995364484 is the 781022-nd square number.

It is an amenable number.

609995364484 is a deficient number, since it is larger than the sum of its proper divisors (576767939795).

609995364484 is a wasteful number, since it uses less digits than its factorization.

609995364484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 67.

It can be divided in two parts, 609995 and 364484, that added together give a palindrome (974479).

The spelling of 609995364484 in words is "six hundred nine billion, nine hundred ninety-five million, three hundred sixty-four thousand, four hundred eighty-four".