27959433849 has 16 divisors (see below), whose sum is σ = 41440122240. Its totient is φ = 18631190160.

The previous prime is 27959433797. The next prime is 27959433871. The reversal of 27959433849 is 94833495972.

27959433849 is a `hidden beast` number, since 2 + 7 + 9 + 594 + 3 + 38 + 4 + 9 = 666.

It is not a de Polignac number, because 27959433849 - 2¹³ = 27959425657 is a prime.

It is a super-4 number, since 4×27959433849⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (27959433349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173157 + ... + 293090.

It is an arithmetic number, because the mean of its divisors is an integer number (2590007640).

Almost surely, 2^27959433849 is an apocalyptic number.

It is an amenable number.

27959433849 is a deficient number, since it is larger than the sum of its proper divisors (13480688391).

27959433849 is a wasteful number, since it uses less digits than its factorization.

27959433849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468477 (or 468471 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 27959433849 in words is "twenty-seven billion, nine hundred fifty-nine million, four hundred thirty-three thousand, eight hundred forty-nine".