27419845869 has 16 divisors (see below), whose sum is σ = 43746763200. Its totient is φ = 16873751088.

The previous prime is 27419845829. The next prime is 27419845879. The reversal of 27419845869 is 96854891472.

27419845869 is a `hidden beast` number, since 2 + 7 + 41 + 9 + 8 + 4 + 586 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-27419845869 is a prime.

It is a super-2 number, since 2×27419845869² (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 (27419845829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39059259 + ... + 39059960.

It is an arithmetic number, because the mean of its divisors is an integer number (2734172700).

Almost surely, 2^27419845869 is an apocalyptic number.

It is an amenable number.

27419845869 is a deficient number, since it is larger than the sum of its proper divisors (16326917331).

27419845869 is a wasteful number, since it uses less digits than its factorization.

27419845869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78119241 (or 78119235 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 27419845869 in words is "twenty-seven billion, four hundred nineteen million, eight hundred forty-five thousand, eight hundred sixty-nine".