27393453205 has 32 divisors (see below), whose sum is σ = 35516880000. Its totient is φ = 20214604800.

The previous prime is 27393453187. The next prime is 27393453223. The reversal of 27393453205 is 50235439372.

It is an interprime number because it is at equal distance from previous prime (27393453187) and next prime (27393453223).

It is not a de Polignac number, because 27393453205 - 2¹⁵ = 27393420437 is a prime.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 2022546 + ... + 2036044.

It is an arithmetic number, because the mean of its divisors is an integer number (1109902500).

Almost surely, 2^27393453205 is an apocalyptic number.

It is an amenable number.

27393453205 is a deficient number, since it is larger than the sum of its proper divisors (8123426795).

27393453205 is a wasteful number, since it uses less digits than its factorization.

27393453205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 27393453205 in words is "twenty-seven billion, three hundred ninety-three million, four hundred fifty-three thousand, two hundred five".