11564983739 has 2 divisors, whose sum is σ = 11564983740. Its totient is φ = 11564983738.

The previous prime is 11564983691. The next prime is 11564983813. The reversal of 11564983739 is 93738946511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11564983739 - 2⁸ = 11564983483 is a prime.

It is not a weakly prime, because it can be changed into another prime (11564983439) 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, 5782491869 + 5782491870.

It is an arithmetic number, because the mean of its divisors is an integer number (5782491870).

Almost surely, 2^11564983739 is an apocalyptic number.

11564983739 is a deficient number, since it is larger than the sum of its proper divisors (1).

11564983739 is an equidigital number, since it uses as much as digits as its factorization.

11564983739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The spelling of 11564983739 in words is "eleven billion, five hundred sixty-four million, nine hundred eighty-three thousand, seven hundred thirty-nine".