27466909641 has 12 divisors (see below), whose sum is σ = 39739794432. Its totient is φ = 18281102616.

The previous prime is 27466909621. The next prime is 27466909721. The reversal of 27466909641 is 14690966472.

It is a happy number.

27466909641 is a `hidden beast` number, since 2 + 7 + 466 + 90 + 96 + 4 + 1 = 666.

It is not a de Polignac number, because 27466909641 - 2¹⁵ = 27466876873 is a prime.

It is a super-2 number, since 2×27466909641² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27466909621) 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 11 ways as a sum of consecutive naturals, for example, 2508441 + ... + 2519366.

It is an arithmetic number, because the mean of its divisors is an integer number (3311649536).

Almost surely, 2^27466909641 is an apocalyptic number.

It is an amenable number.

27466909641 is a deficient number, since it is larger than the sum of its proper divisors (12272884791).

27466909641 is a wasteful number, since it uses less digits than its factorization.

27466909641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028420 (or 5028417 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 27466909641 in words is "twenty-seven billion, four hundred sixty-six million, nine hundred nine thousand, six hundred forty-one".