11464043639 has 2 divisors, whose sum is σ = 11464043640. Its totient is φ = 11464043638.

The previous prime is 11464043627. The next prime is 11464043651. The reversal of 11464043639 is 93634046411.

It is a balanced prime because it is at equal distance from previous prime (11464043627) and next prime (11464043651).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11464043639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11464043596 and 11464043605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11464043609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732021819 + 5732021820.

It is an arithmetic number, because the mean of its divisors is an integer number (5732021820).

Almost surely, 2^11464043639 is an apocalyptic number.

11464043639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11464043639 is an equidigital number, since it uses as much as digits as its factorization.

11464043639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 11464043639 in words is "eleven billion, four hundred sixty-four million, forty-three thousand, six hundred thirty-nine".