27418926943 has 4 divisors (see below), whose sum is σ = 27419519488. Its totient is φ = 27418334400.

The previous prime is 27418926929. The next prime is 27418926971. The reversal of 27418926943 is 34962981472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27418926943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27418926973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220383 + ... + 321568.

It is an arithmetic number, because the mean of its divisors is an integer number (6854879872).

Almost surely, 2^27418926943 is an apocalyptic number.

27418926943 is a deficient number, since it is larger than the sum of its proper divisors (592545).

27418926943 is an equidigital number, since it uses as much as digits as its factorization.

27418926943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592544.

The product of its digits is 5225472, while the sum is 55.

The spelling of 27418926943 in words is "twenty-seven billion, four hundred eighteen million, nine hundred twenty-six thousand, nine hundred forty-three".