27941481619 has 2 divisors, whose sum is σ = 27941481620. Its totient is φ = 27941481618.

The previous prime is 27941481611. The next prime is 27941481649. The reversal of 27941481619 is 91618414972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27941481619 - 2³ = 27941481611 is a prime.

It is a super-2 number, since 2×27941481619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27941481611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13970740809 + 13970740810.

It is an arithmetic number, because the mean of its divisors is an integer number (13970740810).

Almost surely, 2^27941481619 is an apocalyptic number.

27941481619 is a deficient number, since it is larger than the sum of its proper divisors (1).

27941481619 is an equidigital number, since it uses as much as digits as its factorization.

27941481619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The spelling of 27941481619 in words is "twenty-seven billion, nine hundred forty-one million, four hundred eighty-one thousand, six hundred nineteen".