27461349861 has 16 divisors (see below), whose sum is σ = 40918022208. Its totient is φ = 16237308800.

The previous prime is 27461349787. The next prime is 27461349863. The reversal of 27461349861 is 16894316472.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27461349861 - 2¹¹ = 27461347813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27461349863) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10146966 + ... + 10149671.

It is an arithmetic number, because the mean of its divisors is an integer number (2557376388).

Almost surely, 2^27461349861 is an apocalyptic number.

It is an amenable number.

27461349861 is a deficient number, since it is larger than the sum of its proper divisors (13456672347).

27461349861 is a wasteful number, since it uses less digits than its factorization.

27461349861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20296692.

The product of its digits is 1741824, while the sum is 51.

The spelling of 27461349861 in words is "twenty-seven billion, four hundred sixty-one million, three hundred forty-nine thousand, eight hundred sixty-one".