27061243634 has 16 divisors (see below), whose sum is σ = 41154711360. Its totient is φ = 13344296400.

The previous prime is 27061243609. The next prime is 27061243669. The reversal of 27061243634 is 43634216072.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280349 + ... + 364304.

It is an arithmetic number, because the mean of its divisors is an integer number (2572169460).

Almost surely, 2^27061243634 is an apocalyptic number.

27061243634 is a deficient number, since it is larger than the sum of its proper divisors (14093467726).

27061243634 is a wasteful number, since it uses less digits than its factorization.

27061243634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644945.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 27061243634 in words is "twenty-seven billion, sixty-one million, two hundred forty-three thousand, six hundred thirty-four".