27350899919 has 8 divisors (see below), whose sum is σ = 31896093600. Its totient is φ = 23443628208.

The previous prime is 27350899913. The next prime is 27350899943. The reversal of 27350899919 is 91999805372.

It is not a de Polignac number, because 27350899919 - 2⁸ = 27350899663 is a prime.

It is a super-2 number, since 2×27350899919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27350899913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39869774 + ... + 39870459.

It is an arithmetic number, because the mean of its divisors is an integer number (3987011700).

Almost surely, 2^27350899919 is an apocalyptic number.

27350899919 is a deficient number, since it is larger than the sum of its proper divisors (4545193681).

27350899919 is an frugal number, since it uses more digits than its factorization.

27350899919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79740254 (or 79740240 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 27350899919 in words is "twenty-seven billion, three hundred fifty million, eight hundred ninety-nine thousand, nine hundred nineteen".