27465841945 has 8 divisors (see below), whose sum is σ = 33047374536. Its totient is φ = 21913764096.

The previous prime is 27465841901. The next prime is 27465841969. The reversal of 27465841945 is 54914856472.

It can be written as a sum of positive squares in 4 ways, for example, as 286692624 + 27179149321 = 16932^2 + 164861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27465841945 - 2¹³ = 27465833753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7361632 + ... + 7365361.

It is an arithmetic number, because the mean of its divisors is an integer number (4130921817).

Almost surely, 2^27465841945 is an apocalyptic number.

It is an amenable number.

27465841945 is a deficient number, since it is larger than the sum of its proper divisors (5581532591).

27465841945 is a wasteful number, since it uses less digits than its factorization.

27465841945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14727371.

The product of its digits is 9676800, while the sum is 55.

The spelling of 27465841945 in words is "twenty-seven billion, four hundred sixty-five million, eight hundred forty-one thousand, nine hundred forty-five".