27901346289 has 8 divisors (see below), whose sum is σ = 37285773792. Its totient is φ = 18558908160.

The previous prime is 27901346287. The next prime is 27901346311. The reversal of 27901346289 is 98264310972.

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

It is not a de Polignac number, because 27901346289 - 2¹ = 27901346287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27901346287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10495792 + ... + 10498449.

It is an arithmetic number, because the mean of its divisors is an integer number (4660721724).

Almost surely, 2^27901346289 is an apocalyptic number.

It is an amenable number.

27901346289 is a deficient number, since it is larger than the sum of its proper divisors (9384427503).

27901346289 is a wasteful number, since it uses less digits than its factorization.

27901346289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994687.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 27901346289 in words is "twenty-seven billion, nine hundred one million, three hundred forty-six thousand, two hundred eighty-nine".