27673002154481 has 4 divisors (see below), whose sum is σ = 27678314696100. Its totient is φ = 27667689612864.

The previous prime is 27673002154451. The next prime is 27673002154531. The reversal of 27673002154481 is 18445120037672.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25364911976881 + 2308090177600 = 5036359^2 + 1519240^2 .

It is a cyclic number.

It is not a de Polignac number, because 27673002154481 - 2¹⁰ = 27673002153457 is a prime.

It is a super-2 number, since 2×27673002154481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27673002154451) 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, 2656262996 + ... + 2656273413.

It is an arithmetic number, because the mean of its divisors is an integer number (6919578674025).

Almost surely, 2^{27673002154481} is an apocalyptic number.

It is an amenable number.

27673002154481 is a deficient number, since it is larger than the sum of its proper divisors (5312541619).

27673002154481 is an equidigital number, since it uses as much as digits as its factorization.

27673002154481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312541618.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 27673002154481 in words is "twenty-seven trillion, six hundred seventy-three billion, two million, one hundred fifty-four thousand, four hundred eighty-one".