27698221341 has 24 divisors (see below), whose sum is σ = 47199020544. Its totient is φ = 15316987680.

The previous prime is 27698221333. The next prime is 27698221351. The reversal of 27698221341 is 14312289672.

27698221341 is a `hidden beast` number, since 27 + 69 + 8 + 221 + 341 = 666.

It is not a de Polignac number, because 27698221341 - 2³ = 27698221333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27698221351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7089246 + ... + 7093151.

It is an arithmetic number, because the mean of its divisors is an integer number (1966625856).

Almost surely, 2^27698221341 is an apocalyptic number.

27698221341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27698221341 is a deficient number, since it is larger than the sum of its proper divisors (19500799203).

27698221341 is a wasteful number, since it uses less digits than its factorization.

27698221341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14182441 (or 14182438 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 27698221341 in words is "twenty-seven billion, six hundred ninety-eight million, two hundred twenty-one thousand, three hundred forty-one".