27254672461 has 4 divisors (see below), whose sum is σ = 27313034112. Its totient is φ = 27196310812.

The previous prime is 27254672443. The next prime is 27254672491. The reversal of 27254672461 is 16427645272.

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 27254672461 - 2¹¹ = 27254670413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27254672491) 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, 29180125 + ... + 29181058.

It is an arithmetic number, because the mean of its divisors is an integer number (6828258528).

Almost surely, 2^27254672461 is an apocalyptic number.

It is an amenable number.

27254672461 is a deficient number, since it is larger than the sum of its proper divisors (58361651).

27254672461 is an equidigital number, since it uses as much as digits as its factorization.

27254672461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58361650.

The product of its digits is 1128960, while the sum is 46.

The spelling of 27254672461 in words is "twenty-seven billion, two hundred fifty-four million, six hundred seventy-two thousand, four hundred sixty-one".