27459391101 has 4 divisors (see below), whose sum is σ = 36612521472. Its totient is φ = 18306260732.

The previous prime is 27459391073. The next prime is 27459391103. The reversal of 27459391101 is 10119395472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27459391101 - 2¹⁷ = 27459260029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27459391103) 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 3 ways as a sum of consecutive naturals, for example, 4576565181 + ... + 4576565186.

It is an arithmetic number, because the mean of its divisors is an integer number (9153130368).

Almost surely, 2^27459391101 is an apocalyptic number.

It is an amenable number.

27459391101 is a deficient number, since it is larger than the sum of its proper divisors (9153130371).

27459391101 is an equidigital number, since it uses as much as digits as its factorization.

27459391101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153130370.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 27459391101 in words is "twenty-seven billion, four hundred fifty-nine million, three hundred ninety-one thousand, one hundred one".