27194465545 has 8 divisors (see below), whose sum is σ = 35143617096. Its totient is φ = 20082066816.

The previous prime is 27194465489. The next prime is 27194465549. The reversal of 27194465545 is 54556449172.

It can be written as a sum of positive squares in 4 ways, for example, as 1182259456 + 26012206089 = 34384^2 + 161283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27194465545 - 2¹⁷ = 27194334473 is a prime.

It is a super-3 number, since 3×27194465545³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27194465492 and 27194465501.

It is not an unprimeable number, because it can be changed into a prime (27194465549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 209188132 + ... + 209188261.

It is an arithmetic number, because the mean of its divisors is an integer number (4392952137).

Almost surely, 2^27194465545 is an apocalyptic number.

It is an amenable number.

27194465545 is a deficient number, since it is larger than the sum of its proper divisors (7949151551).

27194465545 is a wasteful number, since it uses less digits than its factorization.

27194465545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418376411.

The product of its digits is 6048000, while the sum is 52.

The spelling of 27194465545 in words is "twenty-seven billion, one hundred ninety-four million, four hundred sixty-five thousand, five hundred forty-five".