27019738466 has 12 divisors (see below), whose sum is σ = 47146686678. Its totient is φ = 11579887872.

The previous prime is 27019738441. The next prime is 27019738469. The reversal of 27019738466 is 66483791072.

It can be written as a sum of positive squares in only one way, i.e., 26594760241 + 424978225 = 163079^2 + 20615^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27019738469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137855711 + ... + 137855906.

Almost surely, 2^27019738466 is an apocalyptic number.

27019738466 is a deficient number, since it is larger than the sum of its proper divisors (20126948212).

27019738466 is a wasteful number, since it uses less digits than its factorization.

27019738466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275711633 (or 275711626 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 27019738466 in words is "twenty-seven billion, nineteen million, seven hundred thirty-eight thousand, four hundred sixty-six".