13824036643 has 2 divisors, whose sum is σ = 13824036644. Its totient is φ = 13824036642.

The previous prime is 13824036619. The next prime is 13824036671. The reversal of 13824036643 is 34663042831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13824036643 - 2³³ = 5234102051 is a prime.

It is a super-2 number, since 2×13824036643² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13824036596 and 13824036605.

It is not a weakly prime, because it can be changed into another prime (13824036143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6912018321 + 6912018322.

It is an arithmetic number, because the mean of its divisors is an integer number (6912018322).

Almost surely, 2^13824036643 is an apocalyptic number.

13824036643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13824036643 is an equidigital number, since it uses as much as digits as its factorization.

13824036643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 13824036643 in words is "thirteen billion, eight hundred twenty-four million, thirty-six thousand, six hundred forty-three".