27289225601 has 4 divisors (see below), whose sum is σ = 29770064304. Its totient is φ = 24808386900.

The previous prime is 27289225577. The next prime is 27289225603. The reversal of 27289225601 is 10652298272.

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 de Polignac number, because none of the positive numbers 2^k-27289225601 is a prime.

It is a super-2 number, since 2×27289225601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27289225603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240419335 + ... + 1240419356.

It is an arithmetic number, because the mean of its divisors is an integer number (7442516076).

Almost surely, 2^27289225601 is an apocalyptic number.

It is an amenable number.

27289225601 is a deficient number, since it is larger than the sum of its proper divisors (2480838703).

27289225601 is a wasteful number, since it uses less digits than its factorization.

27289225601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480838702.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 27289225601 in words is "twenty-seven billion, two hundred eighty-nine million, two hundred twenty-five thousand, six hundred one".