27374494289 has 8 divisors (see below), whose sum is σ = 28136205480. Its totient is φ = 26613933696.

The previous prime is 27374494237. The next prime is 27374494339. The reversal of 27374494289 is 98249447372.

It can be written as a sum of positive squares in 4 ways, for example, as 18819724225 + 8554770064 = 137185^2 + 92492^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27374494289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27374494219) 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, 239294 + ... + 334679.

It is an arithmetic number, because the mean of its divisors is an integer number (3517025685).

Almost surely, 2^27374494289 is an apocalyptic number.

It is an amenable number.

27374494289 is a deficient number, since it is larger than the sum of its proper divisors (761711191).

27374494289 is a wasteful number, since it uses less digits than its factorization.

27374494289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575299.

The product of its digits is 24385536, while the sum is 59.

The spelling of 27374494289 in words is "twenty-seven billion, three hundred seventy-four million, four hundred ninety-four thousand, two hundred eighty-nine".