11727334639 has 2 divisors, whose sum is σ = 11727334640. Its totient is φ = 11727334638.

The previous prime is 11727334571. The next prime is 11727334727. The reversal of 11727334639 is 93643372711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11727334639 - 2⁷ = 11727334511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11727334039) 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 as a sum of consecutive naturals, namely, 5863667319 + 5863667320.

It is an arithmetic number, because the mean of its divisors is an integer number (5863667320).

Almost surely, 2^11727334639 is an apocalyptic number.

11727334639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11727334639 is an equidigital number, since it uses as much as digits as its factorization.

11727334639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The spelling of 11727334639 in words is "eleven billion, seven hundred twenty-seven million, three hundred thirty-four thousand, six hundred thirty-nine".