27698848441 has 4 divisors (see below), whose sum is σ = 30216925584. Its totient is φ = 25180771300.

The previous prime is 27698848439. The next prime is 27698848487. The reversal of 27698848441 is 14484889672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27698848441 - 2¹ = 27698848439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27698848441.

It is not an unprimeable number, because it can be changed into a prime (27698845441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259038555 + ... + 1259038576.

It is an arithmetic number, because the mean of its divisors is an integer number (7554231396).

Almost surely, 2^27698848441 is an apocalyptic number.

It is an amenable number.

27698848441 is a deficient number, since it is larger than the sum of its proper divisors (2518077143).

27698848441 is a wasteful number, since it uses less digits than its factorization.

27698848441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518077142.

The product of its digits is 24772608, while the sum is 61.

The spelling of 27698848441 in words is "twenty-seven billion, six hundred ninety-eight million, eight hundred forty-eight thousand, four hundred forty-one".