27420416739 has 12 divisors (see below), whose sum is σ = 39977431416. Its totient is φ = 18109433472.

The previous prime is 27420416729. The next prime is 27420416741. The reversal of 27420416739 is 93761402472.

It is not a de Polignac number, because 27420416739 - 2⁵ = 27420416707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27420416694 and 27420416703.

It is not an unprimeable number, because it can be changed into a prime (27420416729) 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 11 ways as a sum of consecutive naturals, for example, 14236014 + ... + 14237939.

It is an arithmetic number, because the mean of its divisors is an integer number (3331452618).

Almost surely, 2^27420416739 is an apocalyptic number.

27420416739 is a deficient number, since it is larger than the sum of its proper divisors (12557014677).

27420416739 is a wasteful number, since it uses less digits than its factorization.

27420416739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474066 (or 28474063 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 27420416739 in words is "twenty-seven billion, four hundred twenty million, four hundred sixteen thousand, seven hundred thirty-nine".