27803125419 has 4 divisors (see below), whose sum is σ = 37070833896. Its totient is φ = 18535416944.

The previous prime is 27803125327. The next prime is 27803125421. The reversal of 27803125419 is 91452130872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27803125419 - 2¹² = 27803121323 is a prime.

It is a super-2 number, since 2×27803125419² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27803125019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4633854234 + ... + 4633854239.

It is an arithmetic number, because the mean of its divisors is an integer number (9267708474).

Almost surely, 2^27803125419 is an apocalyptic number.

27803125419 is a deficient number, since it is larger than the sum of its proper divisors (9267708477).

27803125419 is an equidigital number, since it uses as much as digits as its factorization.

27803125419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267708476.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 27803125419 in words is "twenty-seven billion, eight hundred three million, one hundred twenty-five thousand, four hundred nineteen".