2721589366 has 4 divisors (see below), whose sum is σ = 4082384052. Its totient is φ = 1360794682.

The previous prime is 2721589357. The next prime is 2721589373. The reversal of 2721589366 is 6639851272.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 680397340 + ... + 680397343.

It is an arithmetic number, because the mean of its divisors is an integer number (1020596013).

Almost surely, 2^2721589366 is an apocalyptic number.

2721589366 is a deficient number, since it is larger than the sum of its proper divisors (1360794686).

2721589366 is a wasteful number, since it uses less digits than its factorization.

2721589366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360794685.

The product of its digits is 1088640, while the sum is 49.

The square root of 2721589366 is about 52168.8543673330. The cubic root of 2721589366 is about 1396.1782444549.

The spelling of 2721589366 in words is "two billion, seven hundred twenty-one million, five hundred eighty-nine thousand, three hundred sixty-six".