27429425709 has 8 divisors (see below), whose sum is σ = 41797220160. Its totient is φ = 15673957536.

The previous prime is 27429425689. The next prime is 27429425713. The reversal of 27429425709 is 90752492472.

It is a happy number.

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

It is not a de Polignac number, because 27429425709 - 2¹⁵ = 27429392941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27429425509) 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 7 ways as a sum of consecutive naturals, for example, 653081544 + ... + 653081585.

It is an arithmetic number, because the mean of its divisors is an integer number (5224652520).

Almost surely, 2^27429425709 is an apocalyptic number.

It is an amenable number.

27429425709 is a deficient number, since it is larger than the sum of its proper divisors (14367794451).

27429425709 is a wasteful number, since it uses less digits than its factorization.

27429425709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306163139.

The product of its (nonzero) digits is 2540160, while the sum is 51.

It can be divided in two parts, 274294 and 25709, that added together give a palindrome (300003).

The spelling of 27429425709 in words is "twenty-seven billion, four hundred twenty-nine million, four hundred twenty-five thousand, seven hundred nine".