27691930298 has 4 divisors (see below), whose sum is σ = 41537895450. Its totient is φ = 13845965148.

The previous prime is 27691930289. The next prime is 27691930337. The reversal of 27691930298 is 89203919672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15052099969 + 12639830329 = 122687^2 + 112427^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6922982573 + ... + 6922982576.

Almost surely, 2^27691930298 is an apocalyptic number.

27691930298 is a deficient number, since it is larger than the sum of its proper divisors (13845965152).

27691930298 is a wasteful number, since it uses less digits than its factorization.

27691930298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845965151.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 27691930298 in words is "twenty-seven billion, six hundred ninety-one million, nine hundred thirty thousand, two hundred ninety-eight".