27143447264 has 24 divisors (see below), whose sum is σ = 53560417680. Its totient is φ = 13540801536.

The previous prime is 27143447249. The next prime is 27143447269. The reversal of 27143447264 is 46274434172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143447269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 952049 + ... + 980144.

It is an arithmetic number, because the mean of its divisors is an integer number (2231684070).

Almost surely, 2^27143447264 is an apocalyptic number.

It is an amenable number.

27143447264 is a deficient number, since it is larger than the sum of its proper divisors (26416970416).

27143447264 is a wasteful number, since it uses less digits than its factorization.

27143447264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932642 (or 1932634 counting only the distinct ones).

The product of its digits is 903168, while the sum is 44.

The spelling of 27143447264 in words is "twenty-seven billion, one hundred forty-three million, four hundred forty-seven thousand, two hundred sixty-four".