27874651219 has 2 divisors, whose sum is σ = 27874651220. Its totient is φ = 27874651218.

The previous prime is 27874651183. The next prime is 27874651237. The reversal of 27874651219 is 91215647872.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27874651219 is a prime.

It is a super-2 number, since 2×27874651219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27874651279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937325609 + 13937325610.

It is an arithmetic number, because the mean of its divisors is an integer number (13937325610).

Almost surely, 2^27874651219 is an apocalyptic number.

27874651219 is a deficient number, since it is larger than the sum of its proper divisors (1).

27874651219 is an equidigital number, since it uses as much as digits as its factorization.

27874651219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The spelling of 27874651219 in words is "twenty-seven billion, eight hundred seventy-four million, six hundred fifty-one thousand, two hundred nineteen".