27429236146 has 8 divisors (see below), whose sum is σ = 44308766124. Its totient is φ = 12659647440.

The previous prime is 27429236137. The next prime is 27429236147. The reversal of 27429236146 is 64163292472.

It can be written as a sum of positive squares in 2 ways, for example, as 21050817921 + 6378418225 = 145089^2 + 79865^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27429236096 and 27429236105.

It is not an unprimeable number, because it can be changed into a prime (27429236147) 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, 527485285 + ... + 527485336.

Almost surely, 2^27429236146 is an apocalyptic number.

27429236146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27429236146 is a deficient number, since it is larger than the sum of its proper divisors (16879529978).

27429236146 is a wasteful number, since it uses less digits than its factorization.

27429236146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054970636.

The product of its digits is 870912, while the sum is 46.

The spelling of 27429236146 in words is "twenty-seven billion, four hundred twenty-nine million, two hundred thirty-six thousand, one hundred forty-six".