27936120149 has 12 divisors (see below), whose sum is σ = 32818878828. Its totient is φ = 23708160000.

The previous prime is 27936120143. The next prime is 27936120169. The reversal of 27936120149 is 94102163972.

It can be written as a sum of positive squares in 2 ways, for example, as 24748953124 + 3187167025 = 157318^2 + 56455^2 .

It is not a de Polignac number, because 27936120149 - 2⁴ = 27936120133 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27936120143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2817452 + ... + 2827349.

It is an arithmetic number, because the mean of its divisors is an integer number (2734906569).

Almost surely, 2^27936120149 is an apocalyptic number.

It is an amenable number.

27936120149 is a deficient number, since it is larger than the sum of its proper divisors (4882758679).

27936120149 is a wasteful number, since it uses less digits than its factorization.

27936120149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644916 (or 5644909 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 27936120149 in words is "twenty-seven billion, nine hundred thirty-six million, one hundred twenty thousand, one hundred forty-nine".