27474521016361 has 4 divisors (see below), whose sum is σ = 27474767737300. Its totient is φ = 27474274295424.

The previous prime is 27474521016329. The next prime is 27474521016421. The reversal of 27474521016361 is 16361012547472.

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 13788923662336 + 13685597354025 = 3713344^2 + 3699405^2 .

It is a cyclic number.

It is not a de Polignac number, because 27474521016361 - 2⁵ = 27474521016329 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27474521011361) 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, 123193356 + ... + 123416173.

It is an arithmetic number, because the mean of its divisors is an integer number (6868691934325).

Almost surely, 2^{27474521016361} is an apocalyptic number.

It is an amenable number.

27474521016361 is a deficient number, since it is larger than the sum of its proper divisors (246720939).

27474521016361 is a wasteful number, since it uses less digits than its factorization.

27474521016361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246720938.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 27474521016361 in words is "twenty-seven trillion, four hundred seventy-four billion, five hundred twenty-one million, sixteen thousand, three hundred sixty-one".