27387360019 has 16 divisors (see below), whose sum is σ = 29193494400. Its totient is φ = 25618070016.

The previous prime is 27387360017. The next prime is 27387360029. The reversal of 27387360019 is 91006378372.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27387360019 - 2¹ = 27387360017 is a prime.

It is a super-2 number, since 2×27387360019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27387360017) 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 15 ways as a sum of consecutive naturals, for example, 3328092 + ... + 3336310.

It is an arithmetic number, because the mean of its divisors is an integer number (1824593400).

Almost surely, 2^27387360019 is an apocalyptic number.

27387360019 is a deficient number, since it is larger than the sum of its proper divisors (1806134381).

27387360019 is a wasteful number, since it uses less digits than its factorization.

27387360019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 27387360019 in words is "twenty-seven billion, three hundred eighty-seven million, three hundred sixty thousand, nineteen".