11384971679 has 2 divisors, whose sum is σ = 11384971680. Its totient is φ = 11384971678.

The previous prime is 11384971657. The next prime is 11384971709. The reversal of 11384971679 is 97617948311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11384971679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11384971649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692485839 + 5692485840.

It is an arithmetic number, because the mean of its divisors is an integer number (5692485840).

Almost surely, 2^11384971679 is an apocalyptic number.

11384971679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11384971679 is an equidigital number, since it uses as much as digits as its factorization.

11384971679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 56.

The spelling of 11384971679 in words is "eleven billion, three hundred eighty-four million, nine hundred seventy-one thousand, six hundred seventy-nine".