2725144636 has 6 divisors (see below), whose sum is σ = 4769003120. Its totient is φ = 1362572316.

The previous prime is 2725144633. The next prime is 2725144691. The reversal of 2725144636 is 6364415272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725144633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340643076 + ... + 340643083.

Almost surely, 2^2725144636 is an apocalyptic number.

It is an amenable number.

2725144636 is a deficient number, since it is larger than the sum of its proper divisors (2043858484).

2725144636 is a wasteful number, since it uses less digits than its factorization.

2725144636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681286163 (or 681286161 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 2725144636 is about 52202.9178877963. The cubic root of 2725144636 is about 1396.7859323525.

The spelling of 2725144636 in words is "two billion, seven hundred twenty-five million, one hundred forty-four thousand, six hundred thirty-six".